Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Zero Same as the weight of the man Greater than the weight of the man Less than the weight of the man Zero Same as the weight of the man Greater than the weight of the man Less than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when Two waves overlap The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength A wave reflects upon itself Two waves overlap The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength A wave reflects upon itself ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Photodiode Thermocouple Photovoltaic cell Heliostats Photodiode Thermocouple Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Subtract 273 Add 273 Divide by 273 Multiply 273 Subtract 273 Add 273 Divide by 273 Multiply 273 ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same volume They must be dropped in vacuum They must have the same density They must have the same mass They must have the same volume They must be dropped in vacuum They must have the same density They must have the same mass ANSWER DOWNLOAD EXAMIANS APP