Question
निम्नलिखित
शब्दों में से validation का सही पर्याय नहीं है ?Solution
मूल्यवान = VALUABLE
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
What is the wavelength of visible spectrum?
Tape recorder should not be kept near one of the following things –
A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.
A beam of light consisting of two wavelengths, 600 nm and 420 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find...
Which type of mirror is used in car headlights?
A conducting rod of length 0.2 m is rotated with angular velocity 10 rad/s about one end in a uniform magnetic field of 0.5 T perpendicular to the plane...
A wire loop in the shape of a square of side a carries a current I. If an infinitely long straight wire carrying the same current passes through the cen...
The colour of sky appears blue due to –
Relevant for Exams:
