CBSE Class 10: Spherical Lens and its Power Videos | Refraction of Light

• define power of lenses the focal length of lenses. +25 cm determine its nature and calculate its power
• image 1 cm long of object is formed on a screen by convex lens keeping the object and the screen is the lens is moved until a s image is formed on the screen if the image of 0.75 cm long what is the lenght of the object
• Focal Length of lens A is +10cm & lens B is -5cm. Find combined power 
• why are telescopes launched in space ? explain in brife about the hubble telescope launched in space
• drop of water bheaves like a
• what is lens
• power of a lens is found to be + 2.5Diopter what kind of lens is it
• power of a lens is found to be + 2.5 Diopter what kind of lens is it
• The radius of curvature of two faces of double convex lens are 10cm,15cm and its focal length is 12cm. Then determine refractive index of lens
• why does in case of hypermetropia using a convex lens doesnot affect our far view

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