AIEEE 2005 Physics Question Paper Mock Test

A thin glass (refractive index $1.5$) lens has optical power of $-5\text{D}$ in air. Its optical power in a liquid medium with refractive index $1.6$ will be:

The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy?

If the kinetic energy of a free electron doubles. Its de Broglie wavelength changes by the factor:

In a common base amplifier, the phase difference between the input signal voltage and output voltage is:

In a full wave rectifier circuit operating from $50\text{ Hz}$ mains frequency, the fundamental frequency in the ripple would be: