SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

In an experiment with a beam balance, an unknown mass  is balanced by two known masses of 16 kg and 4 kg as shown in Figure

The value of the unknown mass is

a)

10kg

b)

6 kg

c)

8 kg

d)

12kg


Question ID - 100070 :-

In an experiment with a beam balance, an unknown mass  is balanced by two known masses of 16 kg and 4 kg as shown in Figure

The value of the unknown mass is

a)

10kg

b)

6 kg

c)

8 kg

d)

12kg

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

Balancing the torque:

For the first case:

For the second case:

Divide them to get



Next Question :

An object is placed at a distance of 10 cm from the curved surfaces of a glass hemisphere of radius 10 cm. Find the position of the image from the flat surface.

(a)

26.67 cm

(b)

2.67 cm

(c)

2 cm

(d)

19.67 cm


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