Advertisements
Advertisements
Question
Mention three precautions that you would observe to measure the mass of a body using a beam balance.
Advertisements
Solution
Three precautions to be taken to measure the mass of a body using beam balance are
(a). The beam must be gently lowered before adding or removing weights from the pan.
(b). The weights should not be carried with bare hands to avoid the change in weights due to moisture and dust particles from the surrounding
(c). Whenever you are near the actual weight, you should carefully try the weights in the descending order.
APPEARS IN
RELATED QUESTIONS
Complete the following:
1 mean solar day = _______ s.
The mass of an oxygen atom is 16.0 u. Express it in kg.
State the factors which determine the number of significant figures for the calculation of the final result of an experiment.
Complete the rollowing:
1 micron= ____ Å
Explain the term pitch. How are they determined?
The distance between the two places is 43.65 km. Convert it into metre and cm.
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.
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. The 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.
