CBSE Class 10 Answered
(a) Mention the reasons for the following phenomena:
(i) Dispersion of light
(ii) Twinkling of stars
(iii) Tyndall effect
(iv) Blue colour of the sky.
(b) How would the sky appear in the absence of earth's atmosphere?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(a) (i) Difference in speed in medium for different wavelengths/colours of light.
(ii) Atmospheric refraction
(iii) Scattering of light by colloidal particles
(iv) Atmospheric scattering.
(b) In the absence of earth's atmosphere, there will not be any scattering of light, and so the sky will appear dark.
Answered by | 04 Jun, 2014, 03:23: PM
Application Videos
Concept Videos
CBSE 10 - Physics
Asked by Ankit9142110345 | 20 May, 2021, 09:58: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by arindeep.singh | 15 Sep, 2020, 06:10: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by Rajesh.kale903 | 29 Apr, 2020, 11:01: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by saradamahapatra9999 | 02 Apr, 2020, 11:03: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by subbukum | 01 Mar, 2020, 05:51: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by rushabhjain.avv | 22 Mar, 2019, 04:59: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by rushabhjain.av | 20 Mar, 2019, 06:35: AM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by Aryan | 01 Jun, 2018, 09:44: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by Topperlearning User | 16 May, 2014, 03:32: PM
ANSWERED BY EXPERT