Q:

A rocket is launched to travel vertically upward with a constant velocity of 20 m/s. After travelling for 35 seconds, the rocket develops a snag and its fuel supply is cut off. The rocket then travels like a free body. The height achieved by it is

A) 680 m	B) 720 m
C) 800 m	D) 700 m

Answer & Explanation Answer: B) 720 m

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Q:

A lens has a power +2.0 D. The type of lens and its focal length will be

A) Concave, -0.5 m	B) Convex, 0.5 m
C) Concave, 0.5 m	D) Convex, -0.5 m

Answer & Explanation Answer: B) Convex, 0.5 m

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Q:

The diameter of the reflecting surface of a spherical mirror is called a/an

A) principal axis	B) aperture
C) focus	D) pole

Answer & Explanation Answer: B) aperture

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Q:

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

A) 49 J	B) 10 J
C) 19.6 J	D) 98 J

Answer & Explanation Answer: D) 98 J

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Q:

What is the upward force exerted by water called?

A) Density	B) Buoyant force
C) Gravitation	D) Friction

Answer & Explanation Answer: B) Buoyant force

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Q:

The energy released at the end of digestion is in the form of

A) thermal energy	B) electric energy
C) kinetic energy	D) chemical energy

Answer & Explanation Answer: D) chemical energy

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Q:

In which of the following Five Year Plan was the growth rate target exceeded?

A) Eighth Five Year Plan	B) Ninth Five Year Plan
C) Tenth Five Year Plan	D) Eleventh Five Year Plan

Answer & Explanation Answer: B) Ninth Five Year Plan

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Q:

Who took charge as the Chief Minister of Goa after the 2017 elections?

A) Bharat Vir Wanchoo	B) Manohar Parrikar
C) Churchill Alemao	D) Dayanand Narvekar

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