Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
Light with an energy flux of 25x10⁴ Wm⁻² falls on a perfectly reflecting surface at normal incidence. If the surface…
7 years ago
AIPMT2014
Two cities are 150 km apart. Electric power is sent from one city to another city
Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The…
7 years ago
The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
The mean free path of molecules of a gas,(radius 'r') is inversely proportional to Options (a) r³ (b) r² (c)…
7 years ago
Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature of 80°C, the…
7 years ago
If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions of mass are Options (a) FVT⁻¹ (b)…
7 years ago
Two thin dielectric slabs of dielectric constants K₁ and K₂, (K₁ < K₂) are inserted
Two thin dielectric slabs of dielectric constants K₁ and K₂, (K₁ < K₂) are inserted between the plates of a…
7 years ago
Two identical long conducting wires AOB and COD are placed at right angle
Two identical long conducting wires AOB and COD are placed at right angle to each other, will one above other…
7 years ago
The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively. When the resistance R is…
7 years ago
The oscillation of a body on a smooth horizontal surface is represented by the equation
The oscillation of a body on a smooth horizontal surface is represented by the equation, X=A cos(ωt) where, X=displacement at…
7 years ago
The number of possible natural oscilations of air column in a pipe closed
The number of possible natural oscilations of air column in a pipe closed at one end of length 85 cm…
7 years ago