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Grade 7

ASSET Question-A-Day | 18 April 2019

Grade 7 | Maths

In which of the following cases is PR : PQ = 5 : 2?
A
B
C
D

Yesterday's Question | Science

Neha focused a magnifying glass on to a tissue paper and held it. After a while, the tissue paper caught fire. Identify the statement that provides the correct explanation for this observation.

A
Neha lit the tissue paper.
B
The magnifying glass focuses the heat from the sun's radiation.
C
The magnifying glass is a good conductor of heat and transmits the heat to the paper.
D
Air is a good conductor of heat and transmits the heat to the paper.

Correct Answer: B