RRB GROUP D Physics Quiz - 30

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Question 1:

The hottest part of the gas flame is known as-

Question 2:

Which of the following elements is used in circuit to block the directional current (DC) ?

Question 3:

In which among the following, the speed of sound would be maximum?

Question 4:

Why is alcohol more volatile than water ?

Question 5:

Energy in foods can be measured in which units-