Question # 1

The maximum velocity necessary to put a satellite into orbit is

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7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes.

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Small

Zero

Maximum

Vi cos

X-ray diffraction has been very useful in determining the structure of

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Hemoglobin

Stars

Galaxies

Stones

Einstein's theory gives us the physical picture of how the

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Body moves

Gravity works

Moment of inertia produced

Weightlessness creates

Mercury is used as a thermometric substance because

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It is opaque

Does not stick to glass

Has low specific heat

All of these

Experimentation and practical verification was fist indroduced by

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The Muslim Scientists

The Greek philosopher

The European scientsts

None of these

Law of physics expressed in term of

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Base quantites

Derived quantities

a and b

None of these

The subtraction of a vector is equivalent to the addition with

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Same direction

Perpendicular direction

Reversed direction

All of these

In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.

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Real inverted

Virtual diminshed

Virtual inverted

Virtual erected

The value of of 'g' at the centre of the earth is

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Infinite

2 g

3 g

zero

Blood has density equal to that of

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Mercury

Sodium

Honey

Water

73.650 rounded off upto one decimal is

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73.6

74.00

73.7

73.65

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

An immediate source of energy for our body is:

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mango

Glucose

mushroom

meat

Time taken by light to reach from sun to earth is.

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8 min 20 sec

7 min 20 sec

9 min 20 sec

None of these

No body begins to move or comes to rest of itself was given by

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Newton

Pascal

Bernoulli

Bu Ali Sina

The speed of sound increases with the increase of in

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Pressure

Volume

Temperature

Density

Food rich in proteins is:

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potato

grapes

vegetables

bread

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