English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Metre is the unit of ______. - Science

Advertisements
Advertisements

Question

Metre is the unit of ______.

Fill in the Blanks
Advertisements

Solution

Metre is the unit of Length

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Measurement - Exercise [Page 11]

APPEARS IN

Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 1 Measurement
Exercise | Q II. 1. | Page 11

RELATED QUESTIONS

Guess the lengths to draw these things. Ask your friend to draw the same. After you make the drawing use a scale to measure the length. Whose drawing showed a better guess?

Guess its length
and draw
Measure of
your drawing
Measure of your
friend’s drawing
An ant of length
less than 1 cm
   
Pencil of length
about 7 cm
   
A glass 11 cm high with
water up to 5 cm
   
A bangle of perimeter
20 cm
   
A curly hair of length
16 cm
   

What is Dinesh’s height in metres? _____ m _____ cm.


There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

  • How many cm is the length of the boundary of lake A in the drawing?(use thread to find out)

There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

  • Find the area of lake B on the drawing in square cm. What is its actual area in square km?

SI unit of electric current is ______.


  1. The earth-moon distance is about 60 earth radius. What will be the diameter of the earth (approximately in degrees) as seen from the moon?
  2. Moon is seen to be of (½)°diameter from the earth. What must be the relative size compared to the earth?
  3. From parallax measurement, the sun is found to be at a distance of about 400 times the earth-moon distance. Estimate the ratio of sun-earth diameters.

How many astronomical units (A.U.) make 1 parsec?


According to the modern definition, what fraction of a second does light travel to define one metre?


If a planet subtends an angle α at distance D, what formula is used to find the planet's diameter?


What is an Astronomical Unit (AU)?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×