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Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of Doppler effect?
Describe an actual situation that would give rise to the free body diagram
If the temperature in a room is 84 degrees at the floor what will it be at a 30 foot ceiling
one coin is thrown upword from 100m top building with velocity 15m/s .2s later 2nd coin is dropped downword at what distance from top of building 2nd coin cross first? Ans) They
An experiment with two spikes Use the drill for a rotation machine as in the above experiment. Unite two spikes by attaching the point end of every to the end of a 15 cm length
what are the various types of tops ?
Q. The half life period of 84Po218 is 3 minutes. What percentage of the sample has decayed in 15 minutes? 1 HLP = 3 minutes In 15 minutes, there are 3 HLPs The remaining
Archimedes' principle A body which is submerged into a fluid is buoyed up through a force equal in magnitude to the weight of the fluid which is displaced, and directed upward
Radio waves and microwaves: What are microwaves and radio waves? Ans: Microwaves: 1. The wavelength ranges from 10μm to10m 2. Commonly produced by Electromagnetic osc
In Young's double slit experiment, deduce the conditions for (i) constructive, and (ii) destructive interference at a point on the screen. Draw a graph showing variation of the res
A lead bullet moves horizontally with a velocity of 130 ms-1 and embedded into a cement wall after collision. If the specific heat capacity of lead = 130 JKg-1°C-1 and all heat pro
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