Advertisements
Advertisements
प्रश्न
Rulers, measuring tapes and metre scales are used to measure ______
विकल्प
mass
weight
time
length
Advertisements
उत्तर
Rulers, measuring tapes and metre scales are used to measure Length
APPEARS IN
संबंधित प्रश्न
Write true or false.
Every measurement involves two things – a number and a unit.
While measuring the length of a sharpened pencil, the reading of the scale at one end is 2.0 cm and at the other end is 12.1 cm. What is the length of the pencil?
Numerical Problem.
Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 1015 m and Ezhilan argues that it is 9.46 × 10 12 km. Who is right? Justify your answer.
So Anar also tried many different ways to make a boundary for 800 square meters of land.
He made rectangles A, B, and C of different sizes. Find out the length of the boundary of each. How much gold wire will he get for these rectangles?
- A
Gold wire for A = _________ metres - B

Gold wire for B = _________ metres - C
Gold wire for C = __________ metres
But then Anar made an even longer rectangle... See how long!
- D

So he will get __________ metres of gold wire!!
What are the materials needed to find the length of a banana?
Match the following:
| Prefix | Symbol | ||
| a. | Centi | i. | k |
| b. | Nano | ii. | c |
| c. | Mili | iii. | n |
| d. | Kilo | iv. | m |
SI unit of electric current is ______.
The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken by light to reach us from the galaxy.
If a planet subtends an angle α at distance D, what formula is used to find the planet's diameter?
The parallax method is used to measure astronomical distances because ______.
