Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a bad conductor Mud is a poor insulator Mud is a good conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a bad conductor Mud is a poor insulator Mud is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The freezing point of fresh water is ________ . 0°C 4°C 3°C 5°C 0°C 4°C 3°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Electromagnetic Light Heat Sound Electromagnetic Light Heat Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following property of sound is affected by change in air temperature? Amplitude Frequency Intensity Wavelength Amplitude Frequency Intensity Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Strain Co-efficient of viscocity Gas constant Plank's constant Strain Co-efficient of viscocity Gas constant Plank's constant ANSWER DOWNLOAD EXAMIANS APP