Which among the following thermometers is preferred for measuring temperature around 1250° C?
READ MORE +Which among the following thermometers is preferred for measuring temperature around 1250° C?
READ MORE +Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?
READ MORE +If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be:
READ MORE +The best and the poorest conductors of heat are respectively
READ MORE +In a pressure cooker cooking is faster because the increase in vapour pressure
READ MORE +Thermometer A and B have ice points marked at 15° and 25° and steam points at 75° and 125° respectively. When thermometer A measures the temperature of a bath as 60° the reading of B for the same bath is
READ MORE +Which one among the following waves are called waves of heat energy?
READ MORE +A glass of water does not turn into ice as it reaches 0° C. It is because water does not solidify at 0° C
READ MORE +A hot object loses heat to its surroundings in the form of heat radiation. The rate of loss of heat depends on the
READ MORE +250. Body A of mass 2 kg and another body B of mass 4 kg and of same material are kept in the same sunshine for some interval of time. If the rise in temperature is equal for both the bodies, then which one among the following in this regard is correct?
READ MORE +Which one among the following statements about thermal conductivity is correct?
READ MORE +If boiling water is taken to the dark side of the moon it will
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