Fill me in
SI unit of volume is _______
cubic metre
Density of a liquid is 0.78 g/cm3. In SI unit, density of the liquid is _______ .
780 kg/m3
Temperature is measured with the help of thermometers in ___
a. Celsius (oc)
b. Fahrenheit (°F)
c. kelvin (K)
d. all of these
d. all of these
1 cm3 = _____ m3
1 cm3= 10-6 m3
A block of wood of density 0.8 g/cm3 has a volume of 50 cm3. What is the mass of the block?
40 g
A metallic piece when immersed in water filled container, displaces 20 ml of water. What is the volume of the metallic piece?
a. 20 m3
b. 20 cm3
c. 20 x 103 m3
d. 20 x 103 cm3
b. 20 cm3
Density of a substance is defined as _______ per unit ______ of the substance.
Density of a substance is defined as mass per unit volume of the substance.
How to find volume of a cuboid?
Volume of Cuboid = length x breadth x height
The density of aluminum is 2.7 g/cm3 and of brass is 8.4 g/cm3. For the same mass,
a. volume of brass > volume of aluminum
b. volume of brass < volume of aluminum
c. volume of brass = volume of aluminum
d. nothing can be said
b. volume of brass < volume of aluminum
20 m/s = _______ km/h
20 m/s = 72 km/h
A car travels with a speed of 12 m/s while a scooter travels with the speed of 36 km/h. Which one is faster?
Speed of car = 12 m/s
Speed of scooter = 36 km/h = 10 m/s
Car is moving faster than scooter.
Distance-time graph for Rahul's motion shows a decrease in slope from point A to B and the slope becomes zero from B to C. Which option is correct about the speed of motion?
a. Speed is increasing from A to B
b. Speed is constant from A to C
c. Speed is decreasing from A to B
d. Speed is decreasing from B to C
c. Speed is decreasing from A to B
The slope of Distance-time graph is equal to the speed of the motion.