Download App

Reflection of Light — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceReflection of Light3 Marks
Question
What is the difference between regular reflection of light and diffuse reflection of light? What type of reflection of light takes place from:
  1. A cinema screen.
  2. A plane mirror.
  3. A cardboard.
  4. Still water surface of a lake
✓

Answer

In regular reflection, a parallel beam of incident light is reflected as a parallel beam in one direction; while in diffuse reflection, a parallel beam of incident light is reflected in different directions.
  1. Regular reflection.
  2. Regular reflection.
  3. Diffuse reflection.
  4. Regular reflection.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[3 Mark Questions]" from Reflection of Light→Reflection of Light — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

What is meant by ocean thermal energy? Explain how ocean thermal energy can be used to generate electricity.
→
With the help of an example, explain how variation leads to evolution.
→
A man holds a spherical shaving mirror of radius of curvature 60cm, and focal length 30cm, at a distance of 15cm, from his nose. Find the position of image, and calculate the magnification.
→
Why is there a need to harness non-conventional sources of energy? Give two main reasons.
→
3ml, of ethanol is taken in a test tube and warmed gently in a water bath. A 5% solution of alkaline potassium permanganate is added first drop by drop to this solution, then in excess.
  1. How is $5 \%$ solution of $KMnO _4$ prepared?
  2. State the role of alkaline potassium permanganate in this reaction. What happens on adding it in excess?
  3. Write chemical equation of this reaction.
→
In what ways are puberty and adolescence result of the activity of some glands in the human body?
→
‘‘It is a matter of chance whether a couple will give birth to a male child or a female child.’’ Justify this statement with the help of a flow chart showing the fusion of sex chromosomes.
→
What steps would you suggest to minimise environmental pollution caused by burning of fossil fuels?
→
Explain:
Population control.
→
When a metal X is treated with cold water, it gives a basic salt Y with molecular formula XOH (Molecular mass = 40) and liberates a gas Z which easily catches fire. Identify X, Y and Z and also write the reaction involved.
→