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Urgently needed..!!!! Tomorrow is my Science Board paper.
i) Twinkling of stars.                                                              (5)
ii) How can we distinct between-Convex,Conrcave and plane mirror without touching them?
Please answer both questions...tomorrow is my Science' paper.(CBSE board)

Asked by vijayjethi17 21st March 2017, 1:46 PM
Answered by Expert
Answer:

Hi,

Kindly refer the following links for your answers:

1) http://www.topperlearning.com/forums/ask-experts-19/how-can-you-distinguish-between-plane-convex-and-concave-mir-physics-light-reflection-and-refraction-spherical-mirrors-101263/reply

2) http://www.topperlearning.com/forums/ask-experts-19/why-do-stars-twinkle-physics-ray-optics-and-optical-instruments-refraction-by-plane-surfaces-94461/reply

Answered by Expert 21st March 2017, 4:57 PM
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