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Write the following equations in statement forms: (vii) 4p−2=18 Write the following equations in statement forms: (vii) 4p−2=18 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

Write the following equations in statement forms: (vi) 3p+4=25 Write the following equations in statement forms: (vi) 3p+4=25 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

A parallel beam of light is incident on the system of two convex lenses of focal lengths f1 = 20 cm and f2 = 10 cm. What should be the distance between the two lenses so that A parallel beam of light is incident on the system of two convex lenses of focal lengths f1 [...]

Write the following equations in statement forms: (v) 3m/5=6 Write the following equations in statement forms: (v) 3m/5=6 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

Write the following equations in statement forms: (iv) m/5=3 Write the following equations in statement forms: (iv) m/5=3 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

Write the following equations in statement forms: (iii) 2m=7 Write the following equations in statement forms: (iii) 2m=7 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

A plano-convex lens fits exactly into a plano-concave lens. Their plane surfaces are parallel to each other. If the lenses are made of different material of refractive indices mu 1 and mu 2 A plano-convex lens fits exactly into a plano-concave lens. Their plane surfaces are parallel to each other. If the lenses are made [...]

Refraction takes place at a convex spherical boundary separating glass-air medium. For the image to be real, the object distance (mu g = 3/2) should be/is Refraction takes place at a convex spherical boundary separating glass-air medium. For the image to be real the object distance (mu g = 3/2) should be/is October 8, 2020 [...]

Write the following equations in statement forms: (ii) m−7=3 Write the following equations in statement forms: (ii) m−7=3 October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 ,

An object is put at a distance of 5 cm from the first focus of a convex lens of focal length 10 cm. If a real image is formed, its distance from the lens will be An object is put at a distance of 5 cm from the first focus of a convex lens of [...]