About Light

by

16. What is the name of the type of lens that converges light rays to a single point?
a) Convex
b) Concave
c) Plano-concave
d) Plano-convex

View Answer >

17. What is the name of the optical instrument used to view distant objects?
a) Telescope
b) Microscope
c) Spectroscope
d) Periscope

View Answer >

18. What is the name of the optical instrument used to view small objects?
a) Telescope
b) Microscope
c) Spectroscope
d) Periscope

View Answer >

read

19. What is the name of the device that is used to measure the intensity of light?
a) Spectrometer
b) Spectrophotometer
c) Photometer
d) Radiometer

View Answer >

20. What is the name of the type of light that is produced by a hot object?
a) Incandescent light
b) Fluorescent light
c) LED light
d) Laser light

View Answer >

Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Related Topics

Leave a Comment

IMPORTANT EXAMS

Note:- All Study Material Job Notice/Results/Exams/Marks/Admit Card published on this website is only for immediate information purpose. This information is not to be a Legal Document/Information. If in case any mistake, error and maybe wrong, then this website is not responsible. WE DONT HAVE ANY YOUTUBE CHANNEL.