Home
Class 12
CHEMISTRY
Assertion: Sky appears blue colour. Re...

Assertion: Sky appears blue colour.
Reason: Colloidal particles of dust scatter blue light.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true and the reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A

The sky appears blue because the colloidal particles of dust,dirt in air scatter blue light to the maximum extent. Here both assertion and reason are correct and reason is the correct explanation of assertion.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • SURFACE CHEMISTRY

    A2Z|Exercise AIIMS Questions|121 Videos
  • SOLUTIONS

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • THE D AND F BLOCK ELEMENTS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

Explain the giving reasons : Colloidal particles scatter light.

Blue Colour of Sky

Knowledge Check

  • Assertion: Sky appears blue in colour. Reason: Colloidal particles od dust scatter blue light.

    A
    if both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false.
  • each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Sky appears blue in colour. STATEMENT-2: Colloidal particles of dust along with water suspended in air scatter blue light.

    A
    if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT - 1
    B
    If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
    C
    If STATEMENT -1 is TRUE and STATEMENT is FALSE
    D
    If STATEMENT -1 is FALSE and STATEMENT -2 is TRUE
  • The sky appears blue because

    A
    red light is absorbed
    B
    blue light is absorbed
    C
    blue light is scattered the most
    D
    it is natural colour
  • Similar Questions

    Explore conceptually related problems

    The sky appears blue because :

    The sky appears blue due to:

    The clear sky appears blue because

    The clear sky appears blue, because

    Assertion: A quious gold colloidal solution is red in colour. Reason: The colour arises due to scattering of light by colloidal gold particles.