A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage 12V with internal resistance 2Ω.…
7 years ago
UP2015
The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through a long slit with width 0.2x10⁻³ m.…
7 years ago
The velocity of image when object and mirror both are moving towards each other
The velocity of image when object and mirror both are moving towards each other with velocities 4 ms⁻¹ and 5…
7 years ago
The electric vector vibration of an electromagnetic wave is given by
The electric vector vibration of an electromagnetic wave is given by E=(50 NC⁻1) sin ω(t-x/c). The intensity of the wave…
7 years ago
A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane
A bar magnet with magnetic moment 2.5x10³ JT⁻¹ is rotating in horizontal plane in the space containing magnetic induction B=4x10⁻⁵…
7 years ago
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is Options (a) 0.0164 (b) 0.00701 (c) 0.0132 (d) 0.032…
7 years ago
If 20% of a radiactive element decays in 10 days, then amount of original material left
If 20% of a radiactive element decays in 10 days, then amount of original material left after 30 days is…
7 years ago