Archive
21st of March 2017
Physics
Q:

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)

Vijay Jethi - CBSE - Class X

Tuesday, March 21, 2017 at 13:46:PM

A:

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

Tuesday, March 21, 2017 at 16:57:PM