Which one of the following is equal to one decade?
10 years
50 years
100 years
25 years
The distance travelled by a body in unit time is called
Speed
Motion
Velocity
Zone
Name the device which had 2 hollow bulbs made of glass connected by a narrow tube.
Water clock
Hour glass
Atomic clock
Mechanical clock
How many seconds in one minute?
60
30
15
45
1 century =
1000 years
10,000 years
The hour glass was an instrument to measure
Water
Milk
Time
Liquids
An object travelling unequal distance in equal intervals of time is called
Non-uniform motion
Uniform motion
Retardation
Acceleration
In a motor car, which of the following is used to determine the speed?
Thermometer
Lactometer
Speedometer
Barometer
At Washington the time is 3.00 am. In India the time then is 4.00 pm. This is because
Different place on earth have different time
The clock is not working properly
The sun does not set in Washington
The sun is seen only in Washington
Which of the following is used to measure the distance travelled by a moving vehicle?
Tachometer
Motometer
Odometer
