Properties of Solids & Liquids (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 96 - 98 of 190

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Question number: 96

» Properties of Solids & Liquids » Thermal Expansion

MCQ▾

Question

A glass flask of volume one liter at 0 0 C is filled, level full of mercury at this temperature. The flask and mercury are now heated to 100 0 C. How much mercury will spill out, if coefficient of volume expansion of mercury is 1.82 × 10 -4 /°C and linear expansion of glass is 0.2 × l0 -4 /ºC?

Choices

Choice (4) Response

a.

151 cc

b.

212 cc

c.

152 cc

d.

176 cc

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Question number: 97

» Properties of Solids & Liquids » Heat Transfer » Conduction

MCQ▾

Question

Two rods (one semi-circular and other straight) of same material and of same cross-sectional area are joined as shown in the figure. The points A and B are maintained at different temperature. The ratio of the heat transferred through a cross-section of a semi-circular rod to the heat transferred through a cross section of the straight rod in a given time is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 98

» Properties of Solids & Liquids » Heat Transfer » Radiation

MCQ▾

Question

Two thermometers A and B are exposed in sunlight. The bulb of A is painted black, But that of B is not painted. The correct statement regarding this case is

Choices

Choice (4) Response

a.

Temperature of A will rise faster than B but the final temperature will be the same

b.

Temperature of B will rise faster

c.

Temperature of A will remain more than B

d.

A and B show equal rise in beginning

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