AIEEE2007

Which of the following transitions in hydrogen atoms emit photons of highest frequency?

Which of the following transitions in hydrogen atoms emit photons of highest frequency? Options (a) n=1 to n=2 (b) n=2…

Angular momentum of the particle rotating with a central force is constant due to

Angular momentum of the particle rotating with a central force is constant due to Options (a) Constant torque (b) Constant…

A sound absorber attenuates the sound level by 20 dB. The intensity decreases

A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of Options (a) 100…

The displacement of an object attached to a spring and executing simple harmonic

The displacement of an object attached to a spring and executing simple harmonic motion is given by x=2x10⁻² cos πt…

The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance

The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance of…

A particle of mass m executes simple harmonic motion with amplitude

A particle of mass m executes simple harmonic motion with amplitude a and frequency v. The average kinetic energy during…