Physics The density of water is 1 g/cc. This is strictly valid at 25°C 4°C 0°C 100°C 25°C 4°C 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Ve > Vp Ve < Vp Cannot be determined Ve = Vp Ve > Vp Ve < Vp Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Chromium Nickel Nichrome Tungsten Chromium Nickel Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of intensity of illumination luminous efficiency luminous flux luminous intensity intensity of illumination luminous efficiency luminous flux luminous intensity ANSWER DOWNLOAD EXAMIANS APP