For a wave propagating in a medium, identify the property that is independent
For a wave propagating in a medium, identify the property that is independent of the others. Options (a) Velocity (b)…
6 years ago
AIIMS2006
A stone thrown into still water, creates a circular wave pattern moving radially
A stone thrown into still water, creates a circular wave pattern moving radially outwards. If r is the distance measured…
6 years ago
When you make ice cubes, the entropy of water
When you make ice cubes, the entropy of water Options (a) Does not change (b) Increases (c) Decreases (d) May…
6 years ago
The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
The voltage of clouds is 4x10⁶ volt with respect to ground. In a lightening strike lasting 100 m sec, a…
6 years ago
The operation of a nuclear reactor is said to be critical, if the multiplication
The operation of a nuclear reactor is said to be critical, if the multiplication factor(k) has a value Options (a)…
6 years ago
An amplifier has a voltage gain Av=1000. The voltage gain in dB is
An amplifier has a voltage gain Av=1000. The voltage gain in dB is Options (a) 30 dB (b) 60 dB…
6 years ago
In refraction, light waves are bent on passing from one medium to the second medium
In refraction, light waves are bent on passing from one medium to the second medium, because in the second medium…
7 years ago
A boat of anchor is rocked by waves whose crests are 100 m apart and velocity
A boat of anchor is rocked by waves whose crests are 100 m apart and velocity is 25 m/s. The…
7 years ago
A light emitting diode(LED) has a voltage drop of 2 volt across it
A light emitting diode(LED) has a voltage drop of 2 volt across it and passes a current of 10 mA…
7 years ago
By sucking through a straw, a student can reduce the pressure of his lungs
By sucking through a straw, a student can reduce the pressure of his lungs to 750 nm of Hg (density…
7 years ago