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

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

Semicircle and straight rod AB

Semicircle and Straight Rod AB

In above figure we shows that two rods of same material are joint.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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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