Physics Green house effect is the heating up of the Earth's atmosphere which is due to The ultraviolet rays X-rays G-rays The infra-red rays The ultraviolet rays X-rays G-rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Brass Nichrome Tungsten Steel Brass Nichrome Tungsten Steel ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The centrifugual force The centripetal force The frictional force All listed here The centrifugual force The centripetal force The frictional force All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? None of these Acceleration Zero gravity Inertia None of these Acceleration Zero gravity Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermometer Thermistor Thermocouple Pyrometer Thermometer Thermistor Thermocouple Pyrometer ANSWER DOWNLOAD EXAMIANS APP