# Ppsc Test, Fpsc & Nts Test Mcq’s For Physics With Answers PPSC Test, FPSC & NTS Test MCQ’s For Physics With Answers: The paper below will help you to know what NTS MCQ’s will be like. This paper is designed to help students get better knowledge of test pattern and types of question that can be included in the paper. which is very helpful in securing better marks.

## PPSC Test, FPSC & NTS Test MCQ’s For Physics

Question # 1

Study of fluids in motion is made simpler by using which conservation principle / principles?

1. Conservation of Mass
2. Conservation of Energy
3. Both of the above
4. None of the above

Question # 2

In Hooke’s Law, F =kx, what does k represent?

1. Number of spirals in the spring
2. Stiffness of the spring
3. Maximum length of the spring

Question # 3

If line of force passes through the axis of rotation, the moment arm is

1. 0
2. 1/2r
3. R
4. 2r

Question # 4

The SI standard of time is based on:

1. Earth rotation
2. the frequency of light emitted by Kr86
3. the yearly revolution of the earth about the sun
4. a precision pendulum clock

Question # 5

Two wheels are identical but wheel B is spinning with twice the angular speed of wheel A. The
ratio of the magnitude of the radial acceleration of a point on the rim of B to the magnitude
of the radial acceleration of a point on the rim of A is:

1. 1
2. 2
3. 1/2
4. 4

Question # 6

The rotational inertia of a wheel about its axle does not depend upon its:

1. diameter
2. mass
3. distribution of mass
4. speed of rotation

Question # 7

A uniform solid cylinder made of lead has the same mass and the same length as a uniform solid
cylinder made of wood. The rotational inertia of the lead cylinder compared to the wooden
one is:

1. greater
2. less
3. same
4. unknown unless the radii are given

Question # 8

A force with a given magnitude is to be applied to a wheel. The torque can be maximized by:

1. applying the force near the axle, radially outward from the axle
2. applying the force near the rim, radially outward from the axle
3. applying the force near the axle, parallel to a tangent to the wheel
4. applying the force at the rim, tangent to the rim

Question # 9

To help keep buildings cool in the summer, dark colored window shades have been replaced by

1. are more pleasing to the eye
2. absorb more sunlight
3. reflect more sunlight
4. transmit more sunlight

Question # 10

Evidence that a gas consists mostly of empty space is the fact that:

the density of a gas becomes much greater when it is liquefied

1. gases exert pressure on the walls of their containers
2. gases are transparent
3. heating a gas increases the molecular motion
4. nature abhors a vacuum

Question # 11

A particle with charge Q is placed outside a large neutral conducting sheet. At any point in
the interior of the sheet the electric field produced by charges on the surface is directed:

1. toward the surface
2. away from the surface
3. toward Q
4. away from Q

Question # 12

If 500 J of work are required to carry a charged particle between two points with a potential
difference of 20 V, the magnitude of the charge on the particle is:

1. 0.040 C
2. 12.5 C
3. 20 C
4. None of the above

Question # 13

The potential difference between two points is 100 V. If a particle with a charge of 2 C is
transported from one of these points to the other, the magnitude of the work done is:

1. 200 J
2. 100 J
3. 50 J
4. 100 J

Question # 14

The capacitance of a parallel-plate capacitor is:

1. proportional to the plate area
2. proportional to the charge stored
3. independent of any material inserted between the plates
4. proportional to the potential difference of the plates

Question # 15

If the plate area of an isolated charged parallel-plate capacitor is doubled:

1. the electric field is doubled
2. the potential difference is halved
3. the charge on each plate is halved
4. the surface charge density on each plate is doubled

Question # 16

Two identical capacitors are connected in series and two, each identical to the first, are connected in parallel. The equivalent capacitance of the series connection is the equivalent
capacitance of parallel connection.

1. twice
2. four times
3. half
4. one-fourth

Question # 17

A car battery is rated at 80 A · h. An ampere-hour is a unit of:

1. power
2. energy
3. current
4. charge

Question # 18

The density of states for a metal depends primarily on:

1. the temperature
2. the energy
3. the density of the metal
4. the volume of the sample

Question # 19

“LED” stands for:

1. Less Energy Donated
2. Light-Emitting Diodes
3. Luminescent Energy Developer
4. Laser Energy Detonator