Physics Which of the following has the highest frequency? Cosmic rays Microwaves X-rays Radio waves Cosmic rays Microwaves X-rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy Wind energy Tidal energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to surface tension viscosity specific gravity elasticity surface tension viscosity specific gravity elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing more work in more time. Doing less work in more time. Doing less work in less time. Doing more work in less time. Doing more work in more time. Doing less work in more time. Doing less work in less time. Doing more work in less time. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Pyrometer Thermistor Thermometer Thermocouple Pyrometer Thermistor Thermometer ANSWER DOWNLOAD EXAMIANS APP