If a sound travels from air to water, the quantity that remain unchanged is
Which is best used as a sound absorbing material in partition walls ?
Materials that do not transfer mechanical energy well. These tend to be soft,flexible, low density, and with high surface area to linear area ratios.
On which day ' National Science Day ' is celebrated in India ?
National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928.
The capacity of a pure capacitor is 1 farad. In D.C circuit, its effective resistance will be
A convex mirror is used to form an image of a real object. The image
The quality of sound produced by an instrument depends on the
We'll send you weekly updates from Sawaal
Copyright © 2016 Sawaal.com | All Rights Reserved