Question # 1

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

Blood pressure is measured by

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Hydrometer

Barometer

Sphygmomanometer

Galvanometer

The formula for the power is

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P= W/d

P=W/v

P=W/t

P=Wt

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

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

The numebr of significant figures in 0.809999 is

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2

3

5

6

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

Increase in the velocity of sound in air for 1 ^oC rise in temperature is.

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61 ms-1

0.61 ms-1

161 ms-1

261 ms-1

The angle of projection for which its maximum height and horizontal range are equal

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46 ^o

56^o

66^o

76^o

A wheel of radius 50 cm having an angular speed of a rad /s have linear speed.

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1.5 m/s

3.5 m/s

2.5 m/s

4.5 m/s

Dot product of two non zero vectors is zero it angle between them is.

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30^o

60^o

45^o

90^o

The period of the earth is equal to

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one lunar day

One astronomical

One Solar day

The product of cross sectional area of a pipe and speed of fluid along the pipe is

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Zero

Maximum

Constant

Variable

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

Efficiency of steam locomotive is.

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8%

10%

9%

7%

According to first law of thermodynamics the quantity which is conserved.

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Force

Momentum

Energy

Power

A body has P.E. = mgh, when it is at height 'h' from the ground. At the point at the distance 'x' below from the top its P.E. with

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mgh

mgx

mg(x-h)

None of these

The pitch of sound deepens upon

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Intensity of sound

Loudness of sound

Wavelength of sound

Frequency of sound

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