Enfant India International school
Class -6th M.M. -20
Sub. - Physics
1. Fill in the blanks : (1×5=5)
(a) A _____ emits light of its own.
(b) A butter paper is an example of a _______ surface.
(c) A lunar eclipse is formed on _______ moon night.
(d) A pinhole camera is based on the principle of ______of light .
(e) A screw jack works on the principle of _________.
2. Define these terms : (1×5=5)
(a) Mechanical advantage
(b) Input
(c) Output
(d) Efficiency of a machine
(e) Light
3. Answer
these questions: (2×5=10)
(a) What are transparent objects ? Give their examples .
(b) List two factors on which the nature of shadow and depends .
(c) Why do solar and lunar eclipse occur ?
(d) State any three functions of a simple machine .
(e) List any four types of simple machines .
