A plane electromagnetic wave of frequency 20 MHz travels through a space along
A plane electromagnetic wave of frequency 20 MHz travels through a space along x-direction. If the electric field vector at…
7 years ago
KCET2014
If the velocity of charged particle has both perpendicular and parallel components
If the velocity of charged particle has both perpendicular and parallel components while moving through a magnetic field, then what…
7 years ago
A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current
A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A…
7 years ago
A susceptibility of a certain magnetic material is 400. What is the class
A susceptibility of a certain magnetic material is 400. What is the class of the magnetic material? Options (a) Diamagnetic…
7 years ago
Diameter of the objective of a telescope is 200 cm. What is the resolving power
Diameter of the objective of a telescope is 200 cm. What is the resolving power of a telescope? Take wavelength…
7 years ago
A focal length of a lens is 10 cm. What is power of a lens in dioptre?
A focal length of a lens is 10 cm. What is power of a lens in dioptre? Options (a) 0.1…
7 years ago
An object placed at 20 cm in front of a concave mirror produces three times
An object placed at 20 cm in front of a concave mirror produces three times magnified real image. What is…
7 years ago
A polarised light of intensity I₀ is passed through another polariser whose pass axis
A polarised light of intensity I₀ is passed through another polariser whose pass axis makes an angle of 60⁰ with…
7 years ago
Wavefront is the locus of all points, where the particles of the medium
Wavefront is the locus of all points, where the particles of the medium vibrate with the same Options (a) phase…
7 years ago
Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively. If they are connected by the…
7 years ago