Heat is radiated by hot objects in the form?
...Heat is radiated by hot objects in the form?
x-rays
light energy
infrared rays
solar energy
Correct answer is C
Infrared rays falling on the skin causes the skin causes the sensation of warmth. since the objects are hot, the correct option is informed.
A wave is represented by the equation y = 0.5 sin 0.4 Ω(X - 60t), where the distance (X) is me...
An electric generator rated 12 kW, 2 kV distribute power through a cable of resistance 20\...
Which of the following will increase the boiling point of water? I. Taking it to a high alti...
A cell can supply current of 0.4 A and 0.2 A through a 4.0Ω and 10.0Ω resistors respectively. T...
A moving coil galvanometer of 300Ω resistance gives full scale deflection for 1.0mA. The re...
Ice of mass 50g at 0°C was completely melted by 70% of the total heat energy supplied. Calculate...