Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 0.33 km 3.33 km 1200 m 33 km 0.33 km 3.33 km 1200 m 33 km ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics Radian is used to measure Temperature Solid Angle Intensity of Flame Angle Temperature Solid Angle Intensity of Flame Angle ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of momentum is Pressure Area Force Velocity Pressure Area Force Velocity ANSWER DOWNLOAD EXAMIANS APP