Advertisements
Advertisements
प्रश्न
Which of the following can make a parallel beam of light when light from a bulb falls on it?
विकल्प
concave mirror as well as concave lens
convex mirror as well as convex lens
concave mirror as well as convex lens
convex mirror as well as concave lens
MCQ
Advertisements
उत्तर
Concave mirror as well as convex lens.
Explanation:
When a light source is placed at the principal focus of both a concave mirror and a convex lens, the diverging rays strike the surface and refract or reflect out as a parallel beam.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
