Question # 1

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Choose an answer

Is smaller than

Is greater than

Becomes equal to

None of these

The slopes of the tangent at any point on the curve gives the value of the

Choose an answer

average velocity at that point

instantaneous velocity at that point

average acceleration at that point

instantaneous acceleration at that point

Neutron was discovered in

Choose an answer

1915

1920

1925

1932

Recent studies of ferromagnetism have shown that there exists in ferromagnetic substances small regions called

Choose an answer

tiny regions

domains

vectors

none of them

The heat required to raise the temperature of one mole of the gas through 1 K at constant volume is called

Choose an answer

heat capacity

specific heat capacity

molar specific heat

molar specific heat at constant volume

Referring to above figure, due to change in current in the coil P, the change in magnetic flux

Choose an answer

Is associated with coil P

Is associated with coil S

Causes and induced current in coil S

All of these

None of these

Which of the following medium/media can transmit both transverse and longitudinal waves:

Choose an answer

Solids

Liquids

Gases

All of them

The intensity of emitted energy (with wavelength) radiated from a black body at different temperatures was initially measured by:

Choose an answer

Lummer

Planck

Pringsheim

Both (A ) and (B)

Both (A) and (C)

A rheostat can e used:

Choose an answer

As variable resistor

As potential divider

For varying the current

All of these

None of these

For the virtual image, option _______ is not correct:

Choose an answer

1/p = 1/f -1/q

1/f = 1/p -1/q

1/p=1/p-1/f

1/p=1/f+1/q

Braking radiation causes:

Choose an answer

Continuous spectrum

Line Spectrum

Band spectrum

Discrete specturm

All of these

If a particle covers half the circle of radius R with constant speed then

Choose an answer

Momentum change is mvr

Change in KE is 1/2 mv²

Change in KE is mv²

Change in KE is zero

After elastic limit the shape of graph is

Choose an answer

Curved

Straight Line

Saw tooth

Arbitrary

The electrons in the outermost shell are called

Choose an answer

Super electrons

Valance electrons

Full valance

Upper deep up

Which one of the following groups have quantities that do not have the same dimensions?

Choose an answer

Velocity,speed

Pressure,stress

Force,impulse

Work,energy

Propagation of light in an optical fiber requires that light should be

Choose an answer

Refracted from air to fiber

Continuously refraction

Totally reflected within the fiber

Both B and C

The critical temperature T for is

Choose an answer

1.6 K

2.71 K

3.72 K

2.82 K

When the torque acting on a system is zero, which of the following will be constant

Choose an answer

linear momentum

angular momentum

impulse

force

All points on a rigid body rotating about a fixed axis have

Choose an answer

Same angular displacement

Same angular acceleration

Donot have angular speed

None of these

In a container having water filled up to a height h,a hole is made in the bottom.The velocity of water flowing out of the hole is

Choose an answer

Independent of h

Proportional to h^1/2

Proportional to h

Proportional h²

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Choose an answer

Same directions

Different direction

Opposite direction

None of these

When the stress change length of a body, it is called:

Choose an answer

Shear stress

Tensile stress

Volume stress

Any of these

None of these

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