Advertisements
Advertisements
प्रश्न
Answer the following in short.
What do you mean by a mean solar day?
उत्तर
Mean solar day is the time taken by the earth to make one complete rotation about its own axis.
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
The density of water is maximum at 4°C.
A car travels with a speed 12 m s”1, while a scooter travels with a speed 36 km h-1. Which of the two travels faster ?
How long a train will take to travel a distance of 200 km with a speed of 60 km h-1 ?
Fill in the blank:
1 metric tonne = .............
Answer the following in short.
What do you understand by the term measurement?
Answer the following in detail.
Explain by giving two examples of why the measurement of a physical quantity is expressed as a combination of a numeral and a unit.
State if the following statement is true or false. Correct the statement if it is false.
The error in reading a scale due to the wrong positioning of the eye is called human error.
Tick the most appropriate answer.
The system of measurement based on centimetre-gram- second is known as
Answer the following in detail.
Which is the most suitable unit for measuring the volume of a cylinder of a car engine?
Write SI units for the fundamental quantity.
