300 Physics questions and Answers MCQ for SSC / UPSC / PSC / UGC NET/ SET/ for All Competitive Exams Practice Online free
2 .Pycnometer is an instrument used to measure the
3 .A concave lens always forms an image which is
4 .When a vibrating tuning fork is placed on a table a loudsound is heard. This is due to :
5 .The energy stored in a watch spring is
6 .What is colour of light related to?
7 .The fuse in pure domestic electric circuit melts whenthere is a high rise in
8 .The slope of a velocity time graph represents
9 .Rain drops fall from great height. Which among thefollowing statements is true regarding it?
10 .A metal plate with a circular hole at the centre is heated.What will happen to the area of the hole ?
11 .The frequency of ultrasound wave is typically
12 .When heated from 0° to 10°C volume of a given mass ofwater Will
13 .Why is it difficult to breathe at higher altitudes?
14 .Sound cannot pass through
15 .Knot is a measure of