Physics Which of the following is not a part of a CRT ? Gas plasma Electron gun Phosphor screen Shadow mask Gas plasma Electron gun Phosphor screen Shadow mask ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 0.016 0.008 1000 2000 0.016 0.008 1000 ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Frequency of transmitted signal Physical dimension of television screen Velocity of transmitted signal Size of picture tube Frequency of transmitted signal Physical dimension of television screen Velocity of transmitted signal Size of picture tube ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP