Question:

The refractive index of a medium with respect to vacuum is

AAlways greater than 1

BAlways less than 1

CEqual to 1

Dnone of the above

Answer:

B. Always less than 1


Related Questions:

The process of transfer of heat from one body to the other body without the aid of a material medium is called

ലിക്വിഫൈഡ് പെട്രോളിയം ഗ്യാസിലെ കലോറി മൂല്യം എത്ര ?

ഒറ്റപെട്ടതിനെ തിരഞ്ഞെടുക്കുക :

Name the instrument used to measure relative humidity

Phenomenon of sound which is applied in SONAR?