Tag: physics
Questions Related to physics
The velocity of sound in air is not affected by change in
Consider the following
l. Waves created on the surfaces of a water pond by a vibrating source.
ll. Wave created by an oscillating electric field in air.
lll. Sound waves travelling under water.
Which of these can be polarized
Choose the Correct answer from alternative given.
The phenomena which is not explained by Huygen's construction of wavefront.
Choose the Correct answer from alternative given.
Wavefront is the locus of all points, where the particles of the medium vibrate with the same
Choose the Correct answer from alternative given.
The idea of secondary wavelets for the propagation of a wave was first given by:
The phenomena which is not explained by Huygen's construction of the wavefront
Wavefront is the locus of all points, where the particles of the medium vibrate with the same.
The wavelength of characteristic $X \text { -ray } K _ { \alpha }$ a line emitted by hydrogen like atom is $0.32 \mathrm { A } ^{ \circ }$. The wavelength of $K _ { \beta }$ line emitted by the same element is
A transverse wave travelling in a denser medium is reflected from a rarer medium. Then,
The radius of a wavefront as the waves propagate