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The waves which needs medium for their propagation are known as mechanical waves.
Example : Waves on string and spring, waves on water surface, sound waves, seismic waves.
Explain the Resonance of Sound in Strings Strings on musical instruments, like harps, are held still at both ends, that is why the standing waves have nodes at every end of the
Explain the absorption and emission transitions of A and B coefficients of Einstein. Assume that N 1 and N 2 be the number of atoms per unit volume along with energy E 1 and
a catapult can hurl a rock straight up in the air 45 m high. What is the maximun range of the catapult?
Is there a way that you can gain potential energy and release kentic energy in Volleyball?
An object is placed at a distance of 0.12m from a convex lens forms an image at a distance of 0.18m. Determine the magnification produced.
Explain internal or external forces Forces can be internal or external. For instance the mutual attraction of atoms within a block of wood are known as internal forces. Somethi
a magnatic train
Q. What is the longest lasting synthetic periodic element? Answer:- A excellent candidate would be curium 247 (247Cm) which has a half-life of 1.56 × 107 year
In the figure below the closed surfaces A and B appear as closed curves. Find the flux through closed surface B.
plz derive a equation to magnetic force between short magnetic dipoles at distance apart?
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