Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Made up of slabs of different refractive indices Inhomogeneous and transparent Of variable refractive index Homogeneous and transparent Made up of slabs of different refractive indices Inhomogeneous and transparent Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The temperature of the liquids in the two vessels are the same. The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. Both its limbs are of unequal length. The temperature of the liquids in the two vessels are the same. The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. Both its limbs are of unequal length. ANSWER DOWNLOAD EXAMIANS APP
Physics The mass of a star is two times the mass of the Sun. How it will come to an end ? White Dwarf Red Giant Neutron Star Black hole White Dwarf Red Giant Neutron Star Black hole ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Simple pendulum motion Earth spinning on its axis Motion of a ceiling fan Ball bouncing on floor Simple pendulum motion Earth spinning on its axis Motion of a ceiling fan Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP