MEDIUM
7th ICSE
IMPORTANT
Earn 100

The odometer of a car reads 67931.0 km when the clock shows the time 8.30 PM. What is the distance moved by car if at 10.10 PM, the odometer reading has changed to 70962.0 km?
(a) Calculate the speed of the car in km/min during this time.
(b) Express the speed in kmh also.

Important Questions on Physical Quantities and Measurement

EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 3
The area of the floor of a room is 132 m². If the length of the room is 12 m, find its breadth.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 4
The area of a rectangle is117 m². Its width is 9 metres. Calculate its length.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 5
A bus travels 54 km in 90 minutes. Calculate the speed of the bus.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 6
A cork has a volume of 25 cm3. The density of cork is 0.25 g cm-3. Find the mass of cork.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 7
The density of air is 1.3 kg/m^3. What mass of air is contained in a room measuring 2.5 m×4 m×10 m?
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 8
A stone of mass 30 grams is placed in a measuring cylinder containing some water. The reading of the water level increases from 50 cm³ to 60 cm³. What is the density of the stone?
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 9
Change the speed of 6 m/s into km/h.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 1 - Physical Quantities and Measurement>EXERCISES>Q 10
Bus X travels a distance of 360 km in 5 hours whereas bus Y travels a distance of 476 km in 7 hours. Which bus travels faster?