An air bubble in water will act like a _____.
Important Questions on Physics
When an air bubble at the bottom of lake rise to the top, it will?
When a mirror is rotated by an angle , the reflected rays will rotate by?
A liquid is flowing in a streamlined manner through a cylindrical Pipe. Along a section containing the axis of the pipe. The flow profile will be not similar and will look like?
The Variation of displacement (d) with time (t) in the case of a particle falling freely under gravity from rest is correctly shown in?
Total internal Reflection can take place when light travels from?
Assertion (A): transformer is useful for stepping up or stepping down voltages.
Reason (R): Transformer is a device used in D.C circuits.
In the context of the above two statements, which one of the following is correct?
Consider the following statements:
A person in a spaceship located half way between the earth and the sun will notice that the
1. Sky is jet black.
2. Stars do not twinkle.
3.Temperature outside the spaceship is much higher than that on the surface of the earth.
