Physics Ice is packed in saw dust because 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. Saw dust is poor conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Interference of light Total internal reflection by layers of air Reflection by hot ground Diffraction of light Interference of light Total internal reflection by layers of air Reflection by hot ground Diffraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object Causes the object to move All of these Causes change in motion of the object The speed & direction of the object will change Causes the object to move All of these Causes change in motion of the object The speed & direction of the object will change ANSWER DOWNLOAD EXAMIANS APP
Physics Electricity is transmitted over long distances It is safer It is cheaper It is fast There is less wastage of energy It is safer It is cheaper It is fast There is less wastage of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are The electrons orbiting around the nucleus Electromagnetic radiations Neutral particles Charged particles emitted by nucleus The electrons orbiting around the nucleus Electromagnetic radiations Neutral particles Charged particles emitted by nucleus ANSWER DOWNLOAD EXAMIANS APP
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