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Standard VII
Physics
Question

Assertion (A): When hot water is poured in a thick glass tumbler then the tumbler breaks.
Reason (R): Glass is a bad conductor of heat
  1. A and R are correct and R is correct
    explanation for A
  2. A and R are correct and R is not correct
    explanation for A
  3. A is true and R is false
  4. A is wrong and R is true.

A
A is true and R is false
B
A and R are correct and R is correct
explanation for A
C
A and R are correct and R is not correct
explanation for A
D
A is wrong and R is true.
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Solution
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explanation for A

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Q1
Assertion (A): When hot water is poured in a thick glass tumbler then the tumbler breaks.
Reason (R): Glass is a bad conductor of heat
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Q2

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