Advertisements
Advertisements
Question
Complete the following: 1 nano second =……….s.
Advertisements
Solution
1 nano second = 10-9 s
RELATED QUESTIONS
A boy makes a ruler with graduations in cm on it, (i.e. 100 divisions in 1 m). To what accuracy this ruler can measure? How can this accuracy be increased?
A boy measures the length of a pencil and expresses it to be 2.6 cm. what is the accuracy of his measurement? Can he write it as 2.60 cm?
State the unit in which mass is measured in S.I. system.
Name three systems of unit and state various fundamental units in them.
Complete the rollowing:
1 m = ____ Å
1 m = ______ cm.
A piece of ribbon folded five times is placed along a 30 cm long measuring scale as shown in the following figure.
The length of the ribbon is between
Questions based on Higher Order Thinking skills:
|
There are three spheres A, B, and 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.
