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Question (1)

QN0035719

Mass of water which absorbs or emits the same amount of heat as is done by the body for the same rise or fall in temperature is known as

(A)
thermal capacity of the body
(B)
specific heat capacity of the body
(C)
latent heat capacity of the body
(D)
water equivalent of the body

Correct Answer: D

Explanation:

Water equivalent is the quantity of water whose thermal capacity is same as the heat capacity of the body.

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Question (2)

QN0035720

of work is required for

(A)
increasing the temperature of of water through
(B)
increasing the temperature of of .water through
(C)
increasing the temperature of of water through
(D)
increasing the temperature of of water through

Correct Answer: B

Explanation:

Work done to raise the temperature of water through is

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Question (3)

QN0035721

A bubble of mole of helium is submerged at a certain depth in water. The temperature of water increases by . How much heat is added approximately to helium during expansion?

(A)
(B)
(C)
(D)

Correct Answer: D

Explanation:

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Question (4)

QN0035722

A lead bullet strikes against a steel plate with a velocity . If the impact is perfectly inelastic and the heat produced is equally shared between the bullet and the target, then the rise in temperature of the bullet is (specific heat capacity of lead )

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

Heat produced

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Question (5)

QN0035723

Certain amount of heat is given to of copper to increase its temperature by . If the same amount of heat is given to of water, then the rise in its temperature is
(Specific heat capacity of copper and that for water )

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

The amount of heat required to increase the temperature of copper by is

The amount of heat required to increase the temperature of water by is

According to question,

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Question (6)

QN0035724

A hammer of mass having speed of , hit a iron nail of mass . If specific heat of iron is and half the energy is converted into heat. the raise in temperature of nail is

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

m.c.

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Question (7)

QN0035725

In a water-fall the water falls from a height of . If the entire K.E. of water is converted into heat, the rise in temperature of water will be

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

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Question (8)

QN0035726

A kettle with 3 litre water at is heated by operating coil heater of power . The heat is lost to the atmosphere at constant rate , when its lid is open. In how much time will water heated to with the lid open? (specific heat of water )

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

By the law of conservation of energy, energy given by heater must be equal to the sum of energy gained by water and energy lost from the lid.

energy lost

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Question (1)

Mass of water which absorbs or emits the same amount of heat as is done by the body for the same rise or fall in temperature is known as

Explanation:

Link:

Question (2)

of work is required for

Explanation:

Link:

Question (3)

A bubble of mole of helium is submerged at a certain depth in water. The temperature of water increases by . How much heat is added approximately to helium during expansion?

Explanation:

Link:

Question (4)

A lead bullet strikes against a steel plate with a velocity . If the impact is perfectly inelastic and the heat produced is equally shared between the bullet and the target, then the rise in temperature of the bullet is (specific heat capacity of lead )

Explanation:

Link:

Question (5)

Certain amount of heat is given to of copper to increase its temperature by . If the same amount of heat is given to of water, then the rise in its temperature is
(Specific heat capacity of copper and that for water )

Explanation:

Link:

Question (6)

A hammer of mass having speed of , hit a iron nail of mass . If specific heat of iron is and half the energy is converted into heat. the raise in temperature of nail is

Explanation:

Link:

Question (7)

In a water-fall the water falls from a height of . If the entire K.E. of water is converted into heat, the rise in temperature of water will be

Explanation:

Link:

Question (8)

A kettle with 3 litre water at is heated by operating coil heater of power . The heat is lost to the atmosphere at constant rate , when its lid is open. In how much time will water heated to with the lid open? (specific heat of water )

Explanation:

Link:

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Question (1)

Mass of water which absorbs or emits the same amount of heat as is done by the body for the same rise or fall in temperature is known as

Explanation:

Link:

Question (2)

of work is required for

Explanation:

Link:

Question (3)

A bubble of mole of helium is submerged at a certain depth in water. The temperature of water increases by . How much heat is added approximately to helium during expansion?

Explanation:

Link:

Question (4)

A lead bullet strikes against a steel plate with a velocity . If the impact is perfectly inelastic and the heat produced is equally shared between the bullet and the target, then the rise in temperature of the bullet is (specific heat capacity of lead )

Explanation:

Link:

Question (5)

Certain amount of heat is given to of copper to increase its temperature by . If the same amount of heat is given to of water, then the rise in its temperature is(Specific heat capacity of copper and that for water )

Explanation:

Link:

Question (6)

A hammer of mass having speed of , hit a iron nail of mass . If specific heat of iron is and half the energy is converted into heat. the raise in temperature of nail is

Explanation:

Link:

Question (7)

In a water-fall the water falls from a height of . If the entire K.E. of water is converted into heat, the rise in temperature of water will be

Explanation:

Link:

Question (8)

A kettle with 3 litre water at is heated by operating coil heater of power . The heat is lost to the atmosphere at constant rate , when its lid is open. In how much time will water heated to with the lid open? (specific heat of water )

Explanation:

Link:

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ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY

Certain amount of heat is given to of copper to increase its temperature by . If the same amount of heat is given to of water, then the rise in its temperature is
(Specific heat capacity of copper and that for water )