Question # 1

The L-C parallel circuit the capacitor draws a

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leading current

lagging current

main current

none of these

If the length of a simple pendulum is 0.25 m its time period would be

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1.0 s

2.0 s

3.0 s

4.0 s

The number of protons inside a nucleus is called

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mass number

atomic weight

atomic number

none of these

In the force applied is parallel to the direction of motion, then work done is:

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Maximum

Minimum

Zero

None of these

The work done in moving a body between two points in a conservative field is independent of the

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Direction

Force applied

Path followed by the body

Power

The information from far side of the universal are gathered by:

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Radio telescope

Microscope

Telescope

Spectro scpe

The value of LDR depends upon intensity of:

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Sound falling on it

Current passing through it

Magnetic field surrounding it

Light falling on it

Non of these

Crystalline solids are in the form of:

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Metals

Ionic Compounds

Ceramics

Both (A) and (B)

All of these

The least distance of distinct vision is:

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10 cm

25 cm

50 cm

100 cm

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

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60 W bulb

100 W bulb

Both equally

None of these

The branch of physics which deals with the structure and properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astrophysics

When satellite is moving in a circle, it has an aceleration

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mV²/r

ωr/V

V²/r

ωV/r

When temperature increases, viscosity of liquids

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Remains constant

Increases

Decreases

Becomes double

Analyzer is use to

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Polarize the light

Un-polarize the light

Check whether the light is polarized or un polarized

Rotate the plane of polarized light

The electrical behavior of semiconductor depends on the material purity which is

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Sensitive

Extremely sensitive

Non-sensitive

None of these

The work done in placing a charge of 8 x 10^-18C on a condenser of capacity 100 μ F is

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32 x 10^-32 j

16 x 10^-32j

3.1 x 10^-26j

4 x 10^-10j

In case of diffraction grating, unit of grating element is:

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Centimeter

Kilometer

As that of g

as that of angle

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

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Equal to

Greater than

Smaller than

None of these

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

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Y = (m + 1)λL/d

Y = mλL/d

Y = (m + 1/2)λL/d

None of these

The horizontal component of a force at an angle 60° with it is 50N. The value of force is

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43.3 N

50 N

100 N

120 N

To observe interference of light the condition which must be met with is that the sources must be:

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Monochromatic

Phase coherent

Both of above

None of above

The quantity of motion of the body is called

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Force

Acceleration

Momentum

None of these

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