Welcome to your PGTRB PHYSICS QUIZ-01
1.
Which of the following device is fully duplex?
2.
Light from the sun reaches earth in about
3.
Thermosphere is the ___ layer of atmosphere above the surface of our earth.
4.
Rocket operates (works) on the principle of
6.
Who invented the laser?
8.
The product of the moment of inertia and the angular acceleration is
9.
The maximum displacement of a particle in the upward direction is