Consciousness Videos An observer is 1.8 m from an isotropic point light source whose power is 250W. Calculate the rms… November 7, 2023Doubtnut
Consciousness Videos The apparent change in frequency of a sounding source and observer in relative motion is March 18, 2023Doubtnut
Consciousness Videos A source is moving towards a stationary observer, so that the apparent frequency increases January 24, 2023Doubtnut
Consciousness Videos In the figure shown, an observer `O_1` floats (static) on water surface with ears in air while a… November 17, 2022Doubtnut
Consciousness Videos An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in October 27, 2022Doubtnut
Consciousness Videos An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in… September 3, 2022Doubtnut1 Comment on An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in…
Consciousness Videos DOPPLER'S EFFECT WHEN SOURCE AND OBSERVER ARE NOT IN SAME LINE OF MOTION August 4, 2022Doubtnut1 Comment on DOPPLER'S EFFECT WHEN SOURCE AND OBSERVER ARE NOT IN SAME LINE OF MOTION
Consciousness Videos An observer is moving with half the speed of light towards a stationary microwave source August 27, 2021Doubtnut2 Comments on An observer is moving with half the speed of light towards a stationary microwave source
Consciousness Videos A positive charge is moving towards an observer. The direction of magnetic induction lines is July 28, 2021Doubtnut
Consciousness Videos A projectile A is projected from ground. An observer B running on ground with uniform August 19, 2020Doubtnut
Consciousness Videos A train moving at 40 m/s, passes by a stationary observer, emitting a whistle of frequency 300 Hz. August 17, 2020Doubtnut
Consciousness Videos Two sound sources are moving away from a stationary observer in opposite direction with velociti… August 13, 2020Doubtnut
Consciousness Videos The sun is rotating about its own axis. For an observer on the earth , the spectral line August 2, 2020Doubtnut
Consciousness Videos Two loudspeakers radiate in phase at `170 H_(Z)`. An observer sits at `8 m` from one speaker and… July 29, 2020Doubtnut
Consciousness Videos An observer standing on a railway crossing receives frequencies 2.2 kHz and 1.8 kHz when the tra… July 19, 2020Doubtnut
Consciousness Videos An observer moves towards a stationary source of sound, with a velocity one-fifth of the velocit… July 16, 2020Doubtnut
Consciousness Videos In the arrangement shown in figure, O is the object. An observer is to the left of convex lens a… July 15, 2020Doubtnut
Consciousness Videos A `300 H_(Z)` source, an observer and a wind are moving as shows in the figure with respect to t… July 12, 2020Doubtnut
Consciousness Videos A stationary observer O looking at a fish F in water `(mu_(w)=4//3)` through a converging lens o… July 7, 2020Doubtnut