List of top Physics Questions on Dual nature of radiation and matter asked in KEAM

If the de Broglie wavelength of \( \alpha \)-particle and proton are equal, then the momentum \( P \) and kinetic energy \( E \) are related as:
The radius of gyration of a circular disc of radius \( R \), rotating about its diameter is:
Find the TRUE statement of the algebraic operations of scalar and vector quantities.
The mutual inductance between a pair of coils A and B placed close to each other depends upon:
Which one of the following phenomena does not occur when a white light falls on an equilateral glass prism?

A laser source emits light of wavelength 300nm and has a power of 3.3mW. The average number of photons emitted per second is:(Speed of light-3x108m/s,Plank's constant 6.6 x 10-34J/s)

The momenta of a proton, a neutron and an electron are in the ratio 3:2:1, then their respective de Broglie wavelengths are in the ratio
An electron, a neutron and an alpha particle have same kinetic energy and their de-Broglie wavelengths are $\lambda_e, \lambda_n$ and $\lambda_\alpha$ respectively. Which statement is correct about their de-Broglie wavelengths?