Question # 1

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Choose an answer

Greater than 300

Smaller than 300

Equal to 300

Any of (A) or (B)

Any of (A) or(C)

Crests and troughs are formed in:

Choose an answer

Longitudinal waves

Transverse waves

Both of these

None of these

Radio telescope is used to gather information from

Choose an answer

Earth

Moon only

Far side of the universe

Sea water

Current, voltage, resistance measuring circuit is connected with the galvanometer with the help of switch, known as

Choose an answer

ON switch

off switch

function switch

none of these

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 portion of the water above its mean level forms a:

Choose an answer

Crest

Trough

Both A and B

None of these

Internal friction of fluid is called

Choose an answer

Surface tension

Viscosity

Resistance

Cohesive force

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

Potentiometer is more sensitive than voltmeter, because

Choose an answer

Voltmeter has a very high resistance

Voltmeter has a very low resistance

Potentiometer does not draw any current from a source of unknown potential difference

Potentiometer is sensitive

The motion of a body in a straight line is the motion in

Choose an answer

one dimension

two dimension

three dimension

four dimension

Dimensions of velocity are

Choose an answer

[L]

[T]

[LT^-1]

[LT^-2]

The process of liquefaction and evaporation of a substance performed slowly are

Choose an answer

Reversible

Practically reversible

Not reversible

None of these

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Choose an answer

Y = (m + 1)λL/d

Y = mλL/d

Y = (m + 1/2)λL/d

None of these

The coercivity of the steel is

Choose an answer

less than the iron

equal to the iron

more than the iron

any one of them

The contrast in the fringes in an interference pattern depends upon

Choose an answer

Fringe width

Relative intensities of the two sources

Distance between the slits

Wavelength

The amount of heat required to raise the temperature of one mole of a substance through

Choose an answer

1 C°

1 K

0 K°

None of these

On heating, it becomes a very viscous liquid at almost

Choose an answer

500 C^o

800 C^o

900 C^o

1000 C^o

A line normal to the wavefront including the direction of motion is called

Choose an answer

perpendicular line

parallel line

a ray of light

none of them

Interference and diffraction confirm:

Choose an answer

Particle nature

Wave nature

Dual nature

None of these

Coplanar forces are those, which act on a

Choose an answer

Single plane

All planes

Common plane

None of these

When force F makes an angle θ with the position r relative to point O, then the toque will be

Choose an answer

τ = 0

τ = rF cos 0

τ = rF

rF sin θ

If moon radius 1600 km and g on its surface is 1.6 ms^-2Then the escape velocity on the moon is

Choose an answer

1600 ms^-1

50.6 ms^-1

50.8 ms^-1

2263 ms^-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