In NOT gate number of input terminals is/are:
In compound microscope, the objective have focal length than eye-piece:
Smaller
Larger
Equal
Equal and larger
The output of a two input NOR gate is 1 when:
A is 1 and B is 0
A is 0 and B is 1
Both a and b are 0
Both a and b are 1
Spherical mirrors are used in:
Medical
Search light
Microscope
All of these