Which radiations are used in tratement of muscles ache?
Which radiations are used in tratement of muscles ache? Options (a) Ultraviolet (b) Infrared (c) Microwave (d) x-rays Correct Answer:…
7 years ago
ML2015
Two parallel beams of positron moving in the same direction will
Two parallel beams of positron moving in the same direction will Options (a) not interact with each other (b) repel…
7 years ago
To measure the roughness of the surface of a material, which of the following microscope
To measure the roughness of the surface of a material, which of the following microscope is preferred for better result…
7 years ago
Dispersion of light is caused due to
Dispersion of light is caused due to Options (a) intensity of light (b) density of medium (c) wavelength (d) None…
7 years ago
The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number…
7 years ago
The condition for obtaining secondary maxima in the diffraction pattern
The condition for obtaining secondary maxima in the diffraction pattern due to single slit is Options (a) a sin θ=nλ/2…
7 years ago
The liquid-crystal phase of a matter is called
The liquid-crystal phase of a matter is called Options (a) mesophase (b) gel (c) crystalline liquid (d) None of these…
7 years ago
The electrons are emitted in the photoelectric effect from a metal surface
The electrons are emitted in the photoelectric effect from a metal surface Options (a) Only if the temperature of the…
7 years ago
The de-Broglie wavelength associated with an electron accelerated by a potential
The de-Broglie wavelength associated with an electron accelerated by a potential of 64 V is Options (a) 0.153 nm (b)…
7 years ago
In a circuit, L,C and R are connected in series with an alternating voltage source
In a circuit, L,C and R are connected in series with an alternating voltage source of frequency f. The current…
7 years ago