When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance…
7 years ago
NEET2016
Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line of the Balmer series…
7 years ago
An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series across a source of…
7 years ago
A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C Options (a) over a full cycle…
7 years ago
A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60…
7 years ago
A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equillibrium…
7 years ago
A n-p-n transistor is connected in common emitter configuration in a given amplifier.
A n-p-n transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800Ω is connected…
7 years ago
The half-life of a radioactive substance is 30 min. The time (in minutes) taken
The half-life of a radioactive substance is 30 min. The time (in minutes) taken between 40% decay and 85% decay…
7 years ago
An electron of mass m and a photon have same energy E. The ratio of de-Broglie
An electron of mass m and a photon have same energy E. The ratio of de-Broglie wavelengths associated with them…
7 years ago
A long straight wire of radius a carries a steady current I. The current is uniformly
A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross-section.…
7 years ago