Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100%	B) 25%
C) 50%	D) 75%

Answer & Explanation Answer: D) 75%

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Q:

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

A) 40	B) 1.6
C) 80	D) 3.2

Answer & Explanation Answer: A) 40

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Q:

A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is

A) 60 deg	B) 0 deg
C) 90 deg	D) 30 deg

Answer & Explanation Answer: A) 60 deg

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Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror	B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part	D) It is the midpoint of a spherical mirror

Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

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Q:

What is the rank of India in the Doing Business Report 2020, after the recent update of the World Bank?

A) 63	B) 72
C) 56	D) 85

Answer & Explanation Answer: A) 63

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Q:

The world heritage site Pashupatinath temple is located at

A) Peshawar	B) Kabul
C) Kathmandu	D) Multan

Answer & Explanation Answer: C) Kathmandu

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Q:

Who of the following is a world famous flute player?

A) Pandit Ravi Shankar	B) Shivkumar Sharma
C) Zakir Hussain	D) Hariprasad Chaurasia

Answer & Explanation Answer: D) Hariprasad Chaurasia

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Q:

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

A) 40 km	B) 60 km
C) 70 km	D) 80 km

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