Q. Laser is :
A. Coherent and monochromatic only
B. Intense and monochromatic only
C. Intense and coherent only
D. Intense coherent and monochromatic
Answer: Intense coherent and monochromatic
A. Coherent and monochromatic only
B. Intense and monochromatic only
C. Intense and coherent only
D. Intense coherent and monochromatic
Answer: Intense coherent and monochromatic