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Identify whether the statements are True or False. (a) The equation mu 2 /v – mu 1 /u = (mu 2 – mu 1 )/R is applicable to a plane surface for R = infinity. Identify whether the statements are True or False. (a) The equation mu 2 /v - mu 1 /u = (mu [...]

Find: (iv) 65.4 by 6 Find: (iv) 65.4 by 6 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (iii) 2.48 by 4 Find: (iii) 2.48 by 4 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (ii) 0.35 by 5 Find: (ii) 0.35 by 5 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (i) 0.4 by 2 Find: (i) 0.4 by 2 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (x) 100.01 x 1.1 Find: (x) 100.01 x 1.1 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (viii) 10.05 x 1.05 Find: (viii) 10.05 x 1.05 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (vii) 1.07 x 0.02 Find: (vii) 1.07 x 0.02 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

A monochromatic light is travelling in a medium of refractive index n = 1.6. It enters a stack of glass layers from the bottom side at an angle theta = 30. The interfaces of the glass A monochromatic light is travelling in a medium of refractive index n = 1.6. It enters a stack of [...]

Find: (vi) 11.2 x 0.15 Find: (vi) 11.2 x 0.15 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,