CBSE Science Class 10 Question Papers

Time-2 hrs                                                                   M.M.-70 1. Answer the following: (6) a) What is the magnification of the image formed by plane mirror? b) The value of m  for the image formed by a convex lens is greater than +1. What is the possible position of the object. c) How many electrons pass ...

Time: 2 hrs                                     Maximum Marks: 70 1. Answer the following: (6) (i) What is the focal length of a plane mirror. (ii) Name the alloy used to make heating elements (iii) If the length of a wire is doubled what will be its resistance. (iv)For which ...

Time: 2 ½  hrs                                          Marks: 60 SECTION – A Q.1 How many covalent bonds does ethane has? [1] Q.2 In which form H+ ions exists in water? [1] Q.3 Write Snell’s Law. [1] Q.4 Which Liquid fills the space between eye lens and retina? [1] Q.5 What is Electromagnetic ...