Total number of crystal systems is____________?

Related Mcqs:

Which of the following resistive materials has the lowest temperature co-efficient of resistance ?

A. Nichrome B. Constantan C. Kanthal D. Molybdenum...

Overhead telephone wires are made of_____________?

A. aluminium B. steel C. ACSR conductors D. copper...

Due to which of the following reasons aluminium does not corrode in atmosphere ?

A. Aluminium is a noble metal B. Atmospheric oxygen can only diffuse very slowly through the oxide layer which is formed on the surface of aluminium C. No reaction with oxygen occurs ft Any of the above...

Platinum is used in_____________?

A. electrical contacts B. thermocouple C. heating element in high temperature furnace D. grids of special purpose vacuum tubes E. all of the above...

The photo-electric effect occurs only when the incident light has more than a certain critical____________?

A. intensity B. speed C. frequency D. wave length...