Physics Wollen clothes keep the body warm because Wool increases the temperature of the body Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool rejects heat from the outer objects Wool increases the temperature of the body Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool rejects heat from the outer objects ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Thermometer Thermistor Pyrometer Thermocouple Thermometer Thermistor Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Copper Nichrome Platinum Pure silicon Copper Nichrome Platinum Pure silicon ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 200 J 400 J 100 J 0 J 200 J 400 J 100 J 0 J ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light X-rays visible light radio waves ultraviolet light X-rays visible light radio waves ANSWER DOWNLOAD EXAMIANS APP