Physics is a fundamental science that is essential for understanding the world around us. It is also a very important subject for the SSC CGL exam. The SSC CGL exam tests your knowledge of physics concepts such as mechanics, thermodynamics, electromagnetism, optics, and modern physics.
If you are preparing for the SSC CGL exam, you may be looking for physics notes that can help you study. There are many physics notes available online and in PDF format. However, not all physics notes are created equal. Some physics notes are well-organized and easy to understand, while others are not.
In this article, we will discuss some of the best physics notes for SSC CGL PDF. We will also provide some tips on how to choose the right physics notes for your needs.
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Some of the most important physics topics for SSC CGL exams are -
Unit Name
Importance Topics
Fundamental concepts of physics, including motion, forces, energy, and momentum.
Study of heat and temperature, and the relationship between heat and other forms of energy.
Study of electricity and magnetism, and the interactions between them.
Study of physics at the atomic and subatomic levels, including quantum mechanics and relativity.
Below are some of the most important practice questions.
Que. 1
In a uniform circular motion:
1.) Velocity is constant
2.) Distance is constant
3.) Displacement is constant
4.) Speed is constant
5.) None of the above/More than one of the above.
Correct Option - 4
Que. 2
The colour of light is determined by its
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 3
Electro static force is generated due to
1.) N and S poles
2.) Positive and Negative charges
3.) Magnetic dipoles
4.) Electric current
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 4
The instrument that measures and records the relative humidity of air is _______.
5.) Not Attempted
Correct Option - 3
Que. 5
If u and v are the initial and final velocities and s is the distance covered in time t, then which of the following equations is correct ?
5.) Not Attempted
Correct Option - 1
Que. 6
The magnitude of current flowing through a device depends :
1.) On its resistance and the voltage across it
2.) None of these
3.) Only on its resistance
4.) Only on the voltage across it
5.) Not Attempted
Correct Option - 1
Que. 7
Which of the following laws/principles is known as Avogadro's Law?
1.) Equal volumes of all gases at the same temperature and pressure contain the same number of molecules.
2.) Relation between pressure and volume in gases
3.) Infectious diseases caused by a living agent that can be transmitted from person to person
4.) No two electrons in an atom can occupy the same energy level.
Correct Option - 4
Que. 8
Directions: Read the following paragraph and answer the questions below.
"Heat transfer is a significant concept in physics and thermodynamics which discusses how heat moves from a high temperature body to a low temperature body. This can happen by three methods: conduction, convection, and radiation. While conduction entails the direct transfer of heat via molecular collision, convection encompasses the transfer of heat through fluids like gases and liquids. Radiation, on the contrary, involves the transfer of heat between bodies that are not in direct physical contact, which is facilitated by electromagnetic waves. For instance, the sun's heat reaches the earth through radiation."
What type of heat transfer is responsible for the sun's heat reaching the Earth?
1.) Heat conduction
2.) Convective heat transfer
3.) Radiant heat transfer
4.) Combination of all three
Correct Option - 3
Que. 9
In which medium does heat convection primarily occur?
3.) Fluids such as gases and liquids
4.) Vacuum Answer
Correct Option - 3
Que. 10
Which heat transfer method doesn't necessitate direct physical interaction between bodies?
1.) Heat conduction
2.) Radiant heat transfer
3.) Convective heat transfer
4.) None of the above
Correct Option - 2
Que. 11
According to the concept of heat transfer, heat travels
1.) Erratically with no specific pattern
2.) Only via radiation methods
3.) From a body of lower temperature to a body of higher temperature
4.) From a body of higher temperature to a body of lower temperature
Correct Option - 4
Que. 12
Total internal reflection is possible when light travels from-
3.) Water to glass
4.) Glass to water
5.) None of the above/More than one of the above
Correct Option - 4
Que. 13
For the Assertion (A) and Reason (R) given below, choose the correct alternative :
Assertion (A) : Pressure cookers are fitted with ebonite handles.
Reason (R) : Ebonite is strong.
1.) Both (A) and (R) are true but (R) is the correct explanation of (A)
2.) Both (A) and (R) are true but (R) is not the correct explanation of (A)
3.) (A) is true but (R) is false
4.) (A) is false but (R) is true
5.) None of the above/More than one of the above
Correct Option - 3
Que. 14
Match the columns.
Instruments
Their Function
An instrument that measures the magnitude of the current
An instrument that measures voltage
An instrument that measures resistance
An instrument that measures the direction and the magnitude of the current
1.) i - a, ii - c, iii - b, iv - d
2.) i - b, ii - a, iii - d, iv - c
3.) i - b, ii - a, iii - c, iv - d
4.) i - a, ii - b, iii - c, iv - d
5.) None of the above/More than one of the above
Correct Option - 2
Que. 15
Identify the correct statement.
1.) Resistance of a wire depends on the length and density of the wire.
2.) Specific resistance is the same for all conductors.
3.) Resistance of a wire depends on the length and cross-section of the wire.
4.) Specific resistance is dependent on the cross-sectional area of the wire.
5.) None of the above/More than one of the above
Correct Option - 3
Que. 16
Which of the following phenomena is NOT involved during the formation of a rainbow?
4.) Total internal reflection
5.) None of the above/More than one of the above
Correct Option - 2
Que. 17
Contact lenses are normally made of?
Correct Option - 4
Que. 18
The __________ is the most common unit for measuring ozone concentration.
Correct Option - 4
Que. 19
Which apparatus is used in the laboratory for measuring the heat capacity of a substance?
Correct Option - 3
Que. 20
Which of the following term is responsible for the distance between two successive compressions of a Sound Wave?
5.) Not Attempted
Correct Option - 4
Que. 21
In a resistor, what happens to the current when the resistance is doubled?
1.) The current gets tripled
2.) The current gets halved
3.) The current stops
4.) The current gets doubled
5.) Not Attempted
Correct Option - 2
Que. 22
The velocity of an object at any given instant of time is called_______.
1.) Instantaneous velocity
2.) Variable velocity
3.) Average velocity
4.) Uniform velocity
5.) Not Attempted
Correct Option - 1
Que. 23
The SI unit of power is______.
5.) Not Attempted
Correct Option - 4
Que. 24
A suspended bar magnet is rotated. It will come to rest in the north-south direction. This shows that the earth has its own_______.
1.) electric field
2.) magnetic field
3.) gravitational field
4.) More than one of the above.
5.) None of the above
Correct Option - 2
Que. 25
We use quilts, Blankets and Woollen clothes in winter instead of cotton clothes. Woollen clothes are warmer in nature because ______________.
1.) Cotton clothes are excellent conductor of heat
2.) Woollen clothes are good conductor of heat
3.) Air is a poor conductor of heat
4.) Air is a good conductor of heat
5.) None of the above/More than one of the above
Correct Option - 3
Que. 26
Consider the following pairs regarding magnetic substances.
III. Paramagnetic Substance: Sodium
Which among the above is/are NOT correctly matched?
3.) All I, II and III are correct
4.) More than one of the above
5.) None of the above
Correct Option - 3
Que. 27
Sanjana has three magnet, A, B and C, whose poles are marked as A1, A2, B1, B2 and C1, C2 respectively. She noted down the following observations on bringing the magnets closer
If C1 is north pole, then which of the following statements is true.
1.) B2 is south pole and A1 is north pole
2.) Both B1 and A1 are south poles
3.) Both B1 and A1 are north poles
4.) More than one of the above
5.) None of the above
Correct Option - 2
Que. 28
Which of the following gives the direction of the force acting on a current-carrying conductor in a magnetic field?
1.) Fleming’s Right hand Rule
2.) Maxwell’s Cork screw Rule
3.) Fleming’s Left hand Rule
4.) More than one of the above
5.) None of the above
Correct Option - 3
Que. 29
A substance when placed in a magnetic field gets magnetized in a direction opposite to that of the magnetic field. Which of the following type of substance it is?
4.) More than one of the above
5.) None of the above
Correct Option - 3
Que. 30
Who discovered the relationship between electric current and magnetic field?
1.) Michael Faraday
4.) William Sturgeon
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 31
On what principle does the transformer operate?
1.) Self induction
2.) Mutual induction
3.) Electromagnetic induction
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 32
What is the term used for the ability of a material to allow the magnetic lines of force to pass through it?
1.) Magnetising field intensity
2.) Magnetic suspectibility
3.) Intensity of Magnetisation
4.) Magnetic permeability
5.) None of the above/More than one of the above.
Correct Option - 4
Que. 33
Which of the following is an example of a Natural magnet?
2.) Horse - shoe magnet
3.) Magnetite of Lodestone
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 34
A freely suspended magnet always aligns in the ________direction.
5.) None of the above/More than one of the above.
Correct Option - 1
Que. 35
Which of the following process/processes destroy/destroys the magnetic properties of a bar magnet?
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 36
What is the direction of magnetic field lines outside a magnet?
1.) East pole to West pole
2.) West pole to East pole
3.) North pole to South pole
4.) South pole to North pole
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 37
In a magnetic compass, a magnetic needle always directs ______.
5.) None of the above/More than one of the above.
Correct Option - 1
Que. 38
Satish‘s car has broken down & he is caught in a thunderstorm. He sees a bridge, a building, and a tree a little distance away from the car. He would be safer if
1.) He stands under a tree
2.) He sits inside the car itself
3.) He stands under a bridge
4.) He stands inside a building
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 39
Which one of the following is not a conductor of electricity?
4.) Distilled water
5.) None of the above/More than one of the above.
Correct Option - 4
Que. 40
A current of 0.75 A is drawn by the filament of an electric bulb for 5 minutes. Find the amount of electric charge that flows through the circuit.
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 41
Material X is used to make wires and Y is used to cover it. Which among the following can be the correct material for X and Y?
1.) X - Copper, Y -Rubber.
2.) X - Plastic, Y- Rubber
3.) X - Silver, Y - Copper
4.) X- plastic, Y -Iron
5.) None of the above/More than one of the above.
Correct Option - 1
Que. 42
Fuse wire works on the basis of
1.) magnetic effect of current
2.) chemical effect of current
3.) thermal effect of current
4.) electromagnetic induction
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 43
Which among the following is the most energy-efficient?
1.) Incandescent bulb
2.) Fluorescent tube light
3.) Compact fluorescent lamp
4.) All of the above are equally energy-efficient
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 44
Which of the following sets comprises liquids which are poor conductors of electricity?
1.) shampoo, vegetable oil, distills water
2.) sugar solution, vinegar, lemon juice
3.) tap water, shampoo, honey
4.) salt solution, lemon juice, vinegar
5.) None of the above/More than one of the above.
Correct Option - 1
Que. 45
Identify the INCORRECT statement
1.) Replace a bulb only after it is switched off
2.) Plugin appliances before any repair
3.) Never touch electrical gadgets when hands are wet.
4.) Unplug appliances before any repair
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 46
Which one of the following is an insulator?
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 47
Three resistors of value 9Ω, 4Ω and 12Ω are connected in parallel. What will be the equivalent resistance of the circuit?
4.) More than one of the above
5.) None of the above
Correct Option - 2
Que. 48
Radhika connects a series arrangement of two identical cells with a series arrangement of two bulbs. Which should she do to make the bulb(s) grow dimmer?
1.) replace one cell with a piece of chalk
2.) replace one cell with a piece of metal wire
3.) replace one bulb with a piece of metal wire
4.) replace one bulb with a cell
5.) None of the above/More than one of the above.
Correct Option - 2
Que. 49
Considered the following statements and choose the correct one-
4.) All the above
5.) None of the above/More than one of the above.
Correct Option - 3
Que. 50
The fuse wire found in electric circuits is an alloy of lead and tin is common, because of :
1.) High resistance and low melting point
2.) High resistance and high melting point
3.) Low resistance and low melting point
4.) More than one of the above
5.) None of the above
Correct Option - 1
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Latest SSC CGL UpdatesLast updated: Sep 5, 2024
-> SSC CGL 2024 Application Status has been released for the NWR, NER, NR, MPR and ER.
-> The Admit Card has been released for SR, NR, CR & NER Region
-> The SSC CGL Tier-I exam is scheduled from 09th September 2024 to 26th September 2024.
-> Earlier, Recruitment Notification was released on 24th June 2024 for a total number of 17727.
-> The SSC CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates should also use the SSC CGL previous year's papers for a good revision.
