NTPC CBT-2 Physics Quiz

Question 1:

Sliding friction is

Slightly lesser than the limiting friction

Slightly greater than the limiting friction

Equal to the limiting friction

Can be greater or lesser than limiting friction

Question 2:

Galvanometer is used to detect the presence of which of the following ?

Current

Voltage

Resistance

None of the above

Question 3:

The value for the speed of light in vacuum is

$3 \times 10^{8} \mathrm{~km} / \mathrm{s}$

$3 \times 10^{5} \mathrm{~km} / \mathrm{s}$

$3 \times 10^{11} \mathrm{~km} / \mathrm{s}$

$9 \times 10^{8} \mathrm{~km} / \mathrm{s}$

Question 4:

Which of the following pairs have the same dimensions?

Force and Power

Work and Torque

Work and Power

Torque and Angular Momentum

Question 5:

In which direction the rainbow will be seen at 12 noon?

In the West

In the South

In the East

It can’t be seen

Question 6:

Which of the following operations between the two vectors can yield a vector perpendicular to either of them ?

Addition

Subtraction

Multiplication

Division

Question 7:

According to Robert Hooke, stress is directly proportional to strain within-

Entire stress-strain curve

Entire elastic region of the stress-strain curve

Elastic as well as plastic region of the stress-strain curve

Only proportional region of the stress-strain curve

Question 8:

Definition of force comes from Newton’s which law ?

First law of motion

Second law of motion

Third law of motion

Law of gravitation

Question 9:

Direct Current produces a magnetic field similar to a permanent magnet. This magnetic field-

Is unidirectional and has a steady magnitude

Is unidirectional but its magnitude varies in a regular pattern

Has steady magnitude but changes direction in a regular pattern

Changes direction and magnitude in a regular pattern

Question 10:

On which principle, an oximeter work?

Radiotelemetry

Cytophotometry

Spectrophotometry

Sensitometry

NTPC CBT-2 Physics Quiz - 6

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NTPC CBT-2 Physics Quiz - 6

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