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Q:

A projectile launched at____ degree angle has the greatest range?

Answer

45

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Subject: Physics

Q:

Which is the liquid that shows Capillary fall?

Answer

Mercury

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Subject: Physics

Q:

A body given with an initial velocity moved under the effect of gravity is called?

Answer

Projectile

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Subject: Physics

Q:

Which is the strongest force in the universe?

Answer

Nuclear Force

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Subject: Physics

Q:

Which is the weakest force in the universe?

Answer

Gravitational Force

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Subject: Physics

Q:

What is refractive index ?

A) it is defined as the ratio of speed of light in the medium to the speed of light in vacuum.	B) it is defined as the product of speed of light in medium and in vacuum.
C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .	D) None of above

Answer & Explanation Answer: C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .

Explanation:

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Filed Under: Physics

Q:

If lift is going up with acceleration, the apparent weight of a body is

A) may be more or less than true weight	B) more than the true weight
C) less than the true weight	D) equal to the true weight

Answer & Explanation Answer: B) more than the true weight

Explanation:

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Q:

What is unit of Astronomical distance ?

A) light year	B) angstrom
C) weber	D) lux

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