Question

"Weekly Test 2019-20
SS : VII
JECT: Physics
FM: 30
Time: 30 mins
(a)
Fill in the blanks
(i) The SI unit of volume is on?..
(ii) The formula used to calculate the density of a substance
is niyo...
(ii) The SI unit of density is . kg.Im..
(iv) The oscillation of a simple pendulum is a ............ motion
(v) Density of water is ....D...... g/cm3.
(b)
Write T for true and F for False:
(i) The particles in solids are always in random motion. T
(ii) Weight of an object can be measured using beam balance
(iii) Equal volumes of water and kerosene have equal masses. Si
(iv) The tyres of car undergo oscillatory motion
A pendulum whose time period is 2 sec is a double
pendulum
(V) Apen
Dioptiste between rest and motion
​

Answer 1

Itna saara...ok I will do ...give me sometime.i will change the answer.ok