Advertisements
Advertisements
प्रश्न
Complete the analogy.
Height of a person: cm :: Length of your sharpened pencil lead:______?
Advertisements
उत्तर
Height of a person: cm :: Length of your sharpened pencil lead: mm (millimetre).
APPEARS IN
संबंधित प्रश्न
The nearest star to our solar system is 4.29 light years away. How much is this distance in terms of parsecs? How much parallax would this star (named Alpha Centauri) show when viewed from two locations of the Earth six months apart in its orbit around the Sun?
When the planet Jupiter is at a distance of 824.7 million kilometres from the Earth, its angular diameter is measured to be 35.72″ of arc. Calculate the diameter of Jupiter
Ten millimetre makes one centimetre.
What is the length of a 100 rupee note? Guess. Now measure it using a scale.

How many stamps can be placed along its length?
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 is the unit of measurements of very small lengths?
If a planet subtends an angle α at distance D, what formula is used to find the planet's diameter?
Why is the speed of light used to define the metre?
Which instruments are used to measure very small distances at the atomic scale?
