Question # 1

The resultant of two vectors having magnitude 10 N and 8 N Can not be

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2 N

9 N

18 N

20 N

Two tuning forks of frequencies 240 Hz and 243 Hz are sounded together, the number of beats per second is.

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Zero

2

3

4

Two tunign forks of frequencies 260 Hz and 256 Hz are sounded together , the number of beats per second is.

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2

258

516

4

The time rate of change of momentum equals

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Weight

Applied force

Impulse

Mass

Time period of simple pendulum only depends on

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Mass

Amplitude

Density

Length

In case of point source the shape of wave front is

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Circular

Spherical

Elliptical

Square

An athlete runs with a speed of 12 ms-1. Determine the longest jump he can undertake.

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12 m

14.4 m

24 m

16.2 m

A typical rocket consumes fuel about

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40000 Kgs-1

30000 Kgs-1

20000 Kg s-1

10000 Kgs-1

The acceleration of a projectile along x axis is.

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Zero

Increase

Decrease

Equal to 'g'

Which phenomenon of light proves that light waves are transverse in nature.

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Refraction

Reflection

Diffraction

Polarization

Longitudinal waves do not exhibit

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Reflection

Refraction

Polarization

Diffraction

The law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

the acceleration of a body having SHM, depends upon its.

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Time period

Amplitude

Frequency

Displacement from mean position

Soap film is sunlight appears coloured due to.

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Dispersion of light

Diffraction of light

Scattering of light

Interference fo light

__ will travel faster than other through an optical fibre.

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Ultraviolet light

Visible light

Infrared light

White light

The magnitude of A will be

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Zero

A²

1

A

Direction of a vector in space requires

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Two axis

Three axis

Four axis

Both a and b

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

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