CG2015

The limiting angle of incidence for an optical ray that can be transmitted

The limiting angle of incidence for an optical ray that can be transmitted by an equilateral prism of refractive index…

The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights

The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights, respectively. Which of the…

What is the energy released by fission of 1 g of U²³⁵?

What is the energy released by fission of 1 g of U²³⁵? (Assume 200 MeV energy is liberated on fission…

The conductivity in the intrinsic semiconductor does not depend on

The conductivity in the intrinsic semiconductor does not depend on Options (a) band gap (b) temperature (c) fermi energy (d)…

The initial rate of increase of current, when a battery of emf 6 V is connected

The initial rate of increase of current, when a battery of emf 6 V is connected in series with an…

The identical loops of copper and aluminium are moving with the same speed

The identical loops of copper and aluminium are moving with the same speed in a magnetic field. Which of the…

Choose the correct statement

Choose the correct statement Options (a) Kirchhoff's first law of electricity is based on conservation of charge while the second…

The excitation potential of hydrogen atom in the first excited state is

The excitation potential of hydrogen atom in the first excited state is Options (a) 13.6 V (b) (-13.6 V) (c)…

A beam of light contains two wavelengths 6500Å and 5200Å.

A beam of light contains two wavelengths 6500Å and 5200Å. They form interference fringes in Young's double slit experiment. What…

A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range

A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range is to be extended to 1-500,…