Advertisements
Advertisements
प्रश्न
Define the light year.
एक पंक्ति में उत्तर
Advertisements
उत्तर
A light year is defined as the distance travelled by light in a vacuum in one year.
shaalaa.com
Measurements
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Name the physical quantities which are measured in the given units:-
ly
The mass of an oxygen atom is 16.0 u. Express it in kg.
State the unit in which mass is measured in S.I. system.
What do you mean by a simple pendulum?
Which is smaller: micron or Fermi?
Put the symbol in the box given below.
50 g `square` 340 g
Conversion of 7 m into cm gives _____
The distance between Delhi and Chennai can be measured in ______.
Hold a sheet paper in one hand and a book in one hand. Which hand feels heavy? Why?
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, C as shown below. Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.
Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
