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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?
A 150-kg roller-coaster car climbs to the top of a 91-m-high hill. How much work is completed against gravity as the car is lifted to the top of the hill?
write a note on pascal discovry in helping to make hydrolic jacks
Q. What is the Newton meter? Answer:- A unit of energy is as well known as a Joule. When a force of 1 Newton is used on an object for a distance of 1 meter then 1 Joule of
The ratio of specific charge of a proton and an alfa-particle is: (1) 2 : 1 (2) 1 : 2 (3) 1 : 4 (4) 1 : 1 Ans:(1) 2 : 1
METALLIC BOND: When positive metallic ions are surrounded by a sea of negative electrons, the solid being held together by electrostatic forces then it is called metallic
V-I Characteristics of Constant Current Source A source which has high internal resistance (or impedance) as compared to load resistance (or impedance) i
Show that the spectrum of thermal radiation for T ¼ 300K peaks at approximately 10 microns.
Forces on a Pendulum The weight, force because of tension, and total force exerted on the bob of a pendulum are displayed.
Explain the production of Newton's ring because of reflected light with a neat diagram. Get the expression for the diameter of both dark and bright ring.
Explain electric flux. Write its S.I. units. A spherical rubber balloon carries a charge that is uniformly distributed over its surface. As the balloon is blown up and enhances in
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