The principle of working of an optical square is based upon:
AInternal reflection
BTotal reflection
C(Double reflection
DHorizon reflection
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
To determine the rate of an item of work from quantities materials and labor required and their cost is known as
............................... is used to improve the thermal stability during polymerisation
A bar 1 m long and having area of cross section A, is subjected to a gradually applied tensile load, w. The strain energy stored in the bar is
Name the tool used in forging work for enlarging a previously punched hole?
When the resultant of the forces acting upon a body is zero, then the body is said to be in