The two laws of refraction of light are: The incident ray, the refracted ray and the normal to the refracting surface at the point of incidence all lies in the same plane. The ratio of sine of angle of...
Colourless transparent substance with extra ordinary brilliance due to its high refractive index. It's quite heavy. It's extremely hard. (Hardest substance known) It's doesn't conduct electricity....
(क) इ या ई के आगे कोई विजातीय (असमान) स्वर होने पर इ या ई को ‘य्’ हो जाता है। (ख) उ या ऊ के आगे किसी विजातीय(असमान) स्वर के आने पर उ या ऊ को ‘व्’ हो जाता है। (ग) ‘ऋ’...
Algebra: 1. (a + b) = a + 2ab + b 2. (a – b) = a – 2ab + b 3. (a + b) (a – b) = a – b 4. (x + a)(x + b) = x + (a + b)x + ab 5. (x + a)(x – b) = x + (a – b)x –...
In a village named ramapuram aa unemployee gopi lives. He is in search of job, roaming without food from a week. He decided to sell the wooden sticks by chopping the tree, he started chopping the trunk...