Enfant
India International school
Std. VII Sub- Physics. M.M. -20
Unit -Test
Section -A
Attempt all questions : (1×5=5)
1. Fill in
the blanks.
(a) The SI unit of energy is --------
(b) A moving vehicle possess ---------- energy.
(c) Coal and oil have -------- energy stored in
them.
(d) A
Simple pendulum excutes ------------ motion .
(e) The SI unit of speed is -----------
2. Define these terms
. (1×5=5)
(a) Joule
(b) Energy
(c) Magnetic energy
(d) Muscular energy
(e) Conservation law of energy
Section -B
3. Differentiate between
the following. (5)
(a) Rest and motion
(b) Mass and weight
(c) Uniform and nonuniform motion
(d) Periodic and non periodic motion
(e) Rectilinear and curvilinear motion
4. Answer these questions:
(1×5=5)
(a) Explain traslatory motion.
(b) Define speed of a moving object and give it's SI unit .
(c) What do you mean by multiple motion ?
(d) How is energy of an object measured ?
(e) Briefly explain light energy .
