Question
What do you mean by visible light?
✓
Answer
Visible light is a spectrum of a number of waves with different wavelength range from 400nm to 700nm (lnm = 10″9 meter) each wave has a definite wavelength represents a particular colour.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Photosynthesis is a chemical charge. Justify your answer.
Describe the pictures.
>
>
>
>
What can we do to maintain personal hygiene?
Define the following:
- positive acceleration
- negative acceleration.
Rajan was playing with the mirror images of a clock. He looked at the clock in his room. It was showing 1:40. Draw the position of the hands on the real clock and on its mirror reflection. Write below the picture what time each picture is showing.
Why is the candle flame straight?
Two plane mirrors M1 and M2 are placed perpendicular with each other, as shown in figure. The ray AB makes an angle 39 ° with the plane mirror M1, then
- The reflected rays are ______ ______
- The incident rays are ______ ______
- What is the angle of incident corresponding to the ray BC?
- What is the angle of reflection corresponding to the ray CD
Write a note on non-communicable diseases.
Write a note on kingdom fungi.
Write any two properties of a compound.