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Physics GK · Q275

Heat and Thermodynamics

Competitive Exams · Physics GK · question 275

Q275

Consider the figures of a metal ball and a metal ring given below. The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck. But when the metal is heated

Consider the figures of a metal ball and a metal ring given below.
The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck. But when the metal is heated
Heat and Thermodynamics mcq question image
A.
The ball can still pass through the ring as diameter expands on heating
Answer
B.
The ball gets stuck because of the diameter of the hole decrease on expansion
C.
The ball will still pass through because the hole diameter does not change
D.
The ball will pass through because there is no change in the ring

Answer: Option A

Solution

Answer: Option A
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