Civil Engineering - Elements of Remote Sensing - Discussion

Discussion Forum : Elements of Remote Sensing - Section 2 (Q.No. 38)

Elements of Remote Sensing

38.

Pick up the correct statement from the following :

The minimum frequency of light for which no electrons are emitted, is called threshold frequency.

Polarising angle of glass is 57°.5

At the polarising angle, the reflected and refracted rays are orthogonal

All the above

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