Advertisements
Advertisements
Question
What is a seconds pendulum?
Advertisements
Solution
A seconds pendulum is a pendulum which takes 2 seconds to complete one oscillation. The length of the seconds pendulum, where g = 9.8ms-2, is nearly 1 m.
APPEARS IN
RELATED QUESTIONS
Complete the following: 1 fermi = ……….. m
Name the physical quantities which are measured in the given units:-
ly
Express the order of magnitude of the following quantity:
0.000,000,000,00027 m
Mohana bought 2 kg 600 g grapes and 1 kg 450 g guavas. How much more did Mohana buy grapes than guavas, by weight?
Put the symbol in the box given below.
1000 g `square` 1 kg
Figure shows a measuring scale which is usually supplied with a geometry box. Which of the following distance cannot be measured with this scale by using it only once?
Define measurement.
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.
Define measurement.
