Question # 1

Five joules of work is needed to shift 10 C of charge from one place to another. The potential difference between the places is:

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0.5 V

2 V

5 V

10 V

The minimum value of angle of deviation is called:

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Minimum angle

Incident angle

Angle of minimum deviation

None of these

The half life of radium 226 is

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1600 year

1610 years

1620 years

1630 years

In fixed capacitor dielectric used is:

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Paper

Metal

Mica

Paper & mica

The intensity of lawn mover is:

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10^-1 wm^-2

10^-2wm^-2

10^-1wm^-3

10^-3wm^-2

The ray of light after reflection from concave mirror passes through:

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Centre

Principal focus

Pole

Radius

Specific resistance of copper is ____________ x 10^-8Ohm-meter

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1.62

1.69

5.25

2.75

When light passes through a prism it deviates from its original path due to:

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Reflection

Diffraction

Interference

Refraction

1 volt is equal to:

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JC

JC^-1

JC^-2

JC^-3

The filament of an electric bulb is made of:

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Nickel

Aluminium

Tungsten

Carbon

How Galvanometer is connected in circuit to detect current?

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In Series

In Parallel

Fixed

Variable

waves whose speed is equal to speed of light are:

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X-rays

sound rays

electromagnetic waves

shock waves

The loudness of sound is most closely related to its:

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Freqeucy

Period

Wavelength

Amplitude

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