Physics Ice is packed in saw dust because Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Halved Doubled Increased by a factor 2 Decreased by a factor 2 Halved Doubled Increased by a factor 2 Decreased by a factor 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour in the atmosphere is measured in terms of All of these Humidity Smog Droplets All of these Humidity Smog Droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Newton's law Thomson's law Pascal's law Bernoulli's theorem Newton's law Thomson's law Pascal's law Bernoulli's theorem ANSWER DOWNLOAD EXAMIANS APP