List of practice Questions

If v1and v2 are the speeds of light in the two media of refractive indices n1 and n2 respectively, then
Which among the following statements on mirage is false?
Which among the following are used in transport communication signals through light pipes?
The refractive index of a medium is 2. The speed of light in that medium is
Refraction does not take place when the angle between the incident light ray and normal to the interface is
Freezing of water takes place at a temperature and atmospheric pressure of
Pick the false statement on specific heat
The relationship between average kinetic energy (E) of water molecules and its absolute temperature (T ) is given by
When wet cloths dry, water in it disappears. This is due to
According to the principle of method of mixtures, if A and B are the net heat lost and net heat gain respectively, then
The value of –10 ºC temperature in Kelvin scale is
\(CH_3 COOH\) solution turns red litmus into
Identify the hardest substance in the body.
\(2HCl + Zn\rightarrow\)
Methyl orange shows _____ colour in acidic solution.
Which of the following is not correct?
Quantum numbers of a subshell are n = 2 and l = 1. Identify the subshell.
l values of subshells d, s, f, p are respectively
In visible light, red colour possesses
Identify the degenerated orbitals
Elements having 5, 6, 7 valency electrons are
Electronic configurations of Mg+2 ion and Cl– ion are
Coordination number of Na+ in NaCl crystal is
Bonds present in Nitrogen molecule are
\(1s^2, 2s^2, 2p^6, 3s^2, 3p^6\) configuration is related to