Question # 1

A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the center is:

Choose an answer

Radius of the circle

Twice the radius

Thrice the radius

None of these

The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called

Choose an answer

Mutual induction

Mutual inductance

Capacitance

Self inductance

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Choose an answer

49 rad/sec²

1 rad/sec²

0.16 rev/sec²

Both A and C

Both B and C

Op-amp has been discussed as comparator of:

Choose an answer

Distances

Voltages

Velocities

Magnetic fields

Both (A) and (C)

The ratio of the r.m.s value of the applied voltage to the r.m.s value of resulting a.c. is

Choose an answer

Impedance

Inductance

Reactance

Resistance

The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 second when brakes are applied. Its angular acceleration is:

Choose an answer

5 rad/sec²

-10 rev/sec²

-10 rad/sec²

-5 rev/sec²

Balmer series was identified in:

Choose an answer

1685

1785

1885

1985

1585

Dimension of mass is written as:

Choose an answer

M

[M]

(M)

[m]

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

Choose an answer

45°

60°

50°

40°

The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

Choose an answer

diamagnetic substances

ferromagnetic substances

paramagnetic substances

all of them

Heating effect of current utilized in:

Choose an answer

Electric motor

Electric toaster

Electroplating

Electric kettle

Both (B) and (D)

The number of molecules in one mole of gas is equal to:

Choose an answer

Avogadro number N_A

Gas constant R

Boltzmann constant k

None of these

In an 𝑎 −decay:

Choose an answer

The parent and daughter nuclei have same number of protons

The daughter nucleus has one proton more than parent nucleus

The daughter nucleus has two protons less than parent nucleus

The daughter nucleus has two neutrons more than parent nucleus

The capacity of two way telephone circuits of INTESAT VI satellite is circuits

Choose an answer

10, 000

20,000

30,000

40,000

Which of the following is true?

Choose an answer

Neither momentum nor kinetic energy is conserved in inelastic collisions

Momentum is conserved in all collisions only in inelastic collisions

Momentum is conserved in all collisions but not kinetic energy

Both momentum and kinetic energy are conserved in all collisions

If λ = 589 nm d=1.0 mm L=225 cm then fringe spacing ΔY is given by

Choose an answer

1.76 mm

1.80 mm

1.37 mm

1.33 mm

The energy need to magnetize and demagnetize the specimen during the each cycle of magnetizing current is

Choose an answer

Value of current

Value of demagnetizing current

Value of magnetic flux density

Area of the loop

The distance from Earth to Sun is

Choose an answer

10⁹ m

10⁸ m

10¹⁰ m

10¹¹ m

In photoelectric effect, electrons are emitted with:

Choose an answer

Same energy

Different energies

Both (a) & (b)

Intermittent energies

The unpolarized light is

Choose an answer

An ordinary incandescent bulb

Sun

Moon

All of these

When a dielectric is inserted between the plates of the capacitor (Charged).The energy stored by capacitor (assume battery is disconnected)

Choose an answer

Increases

Decreases

Remains constant

First decreases then increases

The mass of fuel consumed by a typical rocket to overcome earths gravity is

Choose an answer

1000 kgs^-1

100 kgs^-1

10000 kgs^-1

10 kgs^-1

More Classes

Other Links

Physics General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer