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Showing posts with the label NCERT solution for class 7|| Science || Chapter 15 -Light

NCERT solution for class 7|| Science || Chapter 15 -Light

  NCERT solution>  Class 7 >Science  NCERT solution for class 7|| Science || Chapter 15 -Light Chapter 15 -Light  Exercise   Q1. Fill in the blanks.  a) An image that cannot be obtained on a screen is called virtual image . b) Image formed by a convex mirror is always virtual and smaller in size . c) An image formed by a plane mirror is always of the same size as that of the object. d) An image which can be obtained on a screen is called a real image.  e) An image formed by a concave lens cannot be obtained on a screen .  Q2. Make mark T the statement is true and F if it is false   a) we can obtain an enlarged and erect image by a convex mirror  b) a concave lens always form a virtual image  c) we can obtain a real enlarged and inverted image by a concave mirror . d) a real image cannot be obtained on a screen . e) a concave mirror always forms a real image   Answer-    a) false  b) true  c) tr...