Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Double Half Four times One–fourth Double Half ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce X-rays Radio waves Gama rays Micro waves X-rays Radio waves Gama rays Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Frequency Velocity Temperature Wavelength Frequency Velocity Temperature Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Mud is a poor insulator Mud is a bad conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor Mud is a poor insulator Mud is a bad conductor Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Reflection of sunlight Refraction of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere ANSWER DOWNLOAD EXAMIANS APP