Which of the following radiations has the longest wavelen...
Which of the following radiations has the longest wavelength?
Gamma ray
Radio wave
Infrared ray
X-ray
Correct answer is B
Radio wave has the longest wavelength and shortest frequency.
Which of the following statements about a bar magnet is correct? ...
When a transformer has more secondary windings than primary windings, it? ...
If two inductors of inductances 3H and 6H are arranged in series, the total inductance is ...
The thermometric property of a constant volume thermometer is? ...
An ammeter with a full scale deflection of 10mA has an internal resistance 0.5Ω. calculate ...
The process through which free electrons leave the surface of hot metal is known as? ...