Physics Wollen clothes keep the body warm because Wool is a bad conductor Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool is a bad conductor Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool increases the temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called supersonics audio sounds infrasonic ultrasonic supersonics audio sounds infrasonic ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Visible light UV rays Microwave radiation Gamma rays Visible light UV rays Microwave radiation Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Copper Nichrome Platinum Pure silicon Copper Nichrome Platinum ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be P < P > P 2P P < P > P 2P ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Force? Watt Pascal Newton Boyle Watt Pascal Newton Boyle ANSWER DOWNLOAD EXAMIANS APP
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