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Question (1)

QN006282

Which of the following is a form of energy?

(A) Speed
(B) Force
(C) Heat
(D) Pressure

Correct Answer: C

Explanation:

Heat is a form of energy

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Question (2)

QN006283

Energy possessed by a body due to its motion is called:

(A) Potential energy
(B) Mechanical energy
(C) Kinetic energy
(D) Chemical energy

Correct Answer: C

Explanation:

Energy due to motion is kinetic energy

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Question (3)

QN006284

The energy stored in a stretched rubber band is:

(A) Heat energy
(B) Chemical energy
(C) Potential energy
(D) Sound energy

Correct Answer: C

Explanation:

Stretched objects store potential energy

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Question (4)

QN006285

The formula for kinetic energy is:

(A) mgh
(B) ½mv²
(C) Fd
(D) Pt

Correct Answer: B

Explanation:

KE = ½mv²

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Question (5)

QN006286

A body of mass 4 kg moves with speed 5 m/s. Its kinetic energy is:

(A) 25 J
(B) 50 J
(C) 100 J
(D) 10 J

Correct Answer: B

Explanation:

KE = ½ × 4 × 25 = 50 J

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Question (6)

QN006287

Potential energy of an object at height depends upon:

(A) Mass and height
(B) Colour and shape
(C) Density only
(D) Temperature only

Correct Answer: A

Explanation:

PE depends on mass, gravity and height

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Question (7)

QN006288

The formula for gravitational potential energy is:

(A) ½mv²
(B) Fd
(C) mgh
(D) mv

Correct Answer: C

Explanation:

PE = mgh

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Question (8)

QN006289

A 2 kg object is placed at a height of 10 m. Take g = 10 m/s². Its potential energy is:

(A) 20 J
(B) 100 J
(C) 200 J
(D) 400 J

Correct Answer: C

Explanation:

PE = 2 × 10 × 10 = 200 J

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Question (9)

QN006290

Which form of energy is stored in food?

(A) Sound energy
(B) Electrical energy
(C) Chemical energy
(D) Nuclear energy

Correct Answer: C

Explanation:

Food stores chemical energy

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Question (10)

QN006291

Energy from the Sun reaches Earth mainly in the form of:

(A) Sound energy
(B) Light and heat energy
(C) Chemical energy
(D) Magnetic energy

Correct Answer: B

Explanation:

Sun provides heat and light energy

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Question (1)

Which of the following is a form of energy?

Explanation:

Link:

Question (2)

Energy possessed by a body due to its motion is called:

Explanation:

Link:

Question (3)

The energy stored in a stretched rubber band is:

Explanation:

Link:

Question (4)

The formula for kinetic energy is:

Explanation:

Link:

Question (5)

A body of mass 4 kg moves with speed 5 m/s. Its kinetic energy is:

Explanation:

Link:

Question (6)

Potential energy of an object at height depends upon:

Explanation:

Link:

Question (7)

The formula for gravitational potential energy is:

Explanation:

Link:

Question (8)

A 2 kg object is placed at a height of 10 m. Take g = 10 m/s². Its potential energy is:

Explanation:

Link:

Question (9)

Which form of energy is stored in food?

Explanation:

Link:

Question (10)

Energy from the Sun reaches Earth mainly in the form of:

Explanation:

Link:

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