Question # 1

Opted unit to measure blood pressure is.

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N/m2

Pascal

mm of Hg

N.m2

In S.H.M, the acceleration of the body is directly proportional to

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Weight of body

Applied force

Amplitude

Displacement

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

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

Before the launch of a rocket the mass of fuel of the rocket is approximately consists of.

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60%

50%

80%

100%

Young in 1801 performed experiment for the first time about

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Interference

Diffraction

Polarization

Particle nature of light

Frequency 'f' and time period 'T' are related as

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SI units of time was redefined in

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1900

1967

1960

1983

The direction of angular velocity of along the

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Tangent at that point

Axis of rotation

Radius towards the centre

Radius away from the centre

Errors due to incorrect design of a device are called

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Random Error

Systematic Error

Physical Error

None of these

A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

The angular acceleration a =

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The blue colour of sky is due to

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diffraction

Reflection

Polarization

Scattering

The density of blood is nearly equal to.

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Air

Milk

Honey

Water

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

Unite of thermodynamics scale of temperature is.

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Centigrade

Fahrenheit

Kelvin

Celsius

Teh overlapping of physics and other fields gave brith to

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Interdisciplinary areas of physics

Areas of Physics

Areas of science

All of these

Minimum number of unequal forces whose vector sum can be zero are.

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5

4

3

2

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