NTPC CBT-2 Physics Quiz

Question 1:

Which of the following is true for magnification produced by a lens?

It is the ratio of the height of the image and the height of the object.

It is the difference between height of the object and the height of the image.

It is the sum of the height of the object and the height of the image.

It is the difference between object distance and image distance.

Question 2:

Which of the following lenses are used in flashlights?

Concave Lens

Convex Lens

Plane Mirror

Both 1 and 3

Question 3:

The resistivity (rho) of a material may be expressed in units of-

ohm

ohm/m

ohm-m

ohm\m^2

Question 4:

Which of the these physical quantities is a vector quantity?

Temperature

Speed

Gravitational Intensity

Work

Question 5:

Which of the following is also known as safety wire?

Earth Wire

Live wire

Neutral Wire

Both neutral and earth wire

Question 6:

Friction due to fluids is known as -

Force

Drag

Pressure

Friction

Question 7:

Which of the following is the S.I. unit of acceleration?

m s^-1

m s^-2

km s^-2

cm s^-2

Question 8:

The slope of a distance-time graph shows speed, if the distance-time graph is curve then it represents

Zero speed

Uniform speed

Non-uniform speed

Non-zero uniform speed

Question 9:

Basic scientific principle behind a nuclear reactor is

Uncontrolled nuclear fission

Controlled nuclear fission

Nuclear fusion

Controlled nuclear fusion

Question 10:

The process of transferring of charge from a charged object to the earth is called?

Earthing

Lighting

Interacting

Discharging

NTPC CBT-2 Physics Quiz - 17

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NTPC CBT-2 Physics Quiz - 17

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