A packet contains silver powder of mass (20.23 ± 0.01) g some of powder of mass (5.75 ± 0.01)g is taken out the mass of powder left is

15

Questions Match

1.
A packet contains silver powder of mass (20.23 ± 0.01) g some of powder of mass (5.75 ± 0.01)g is taken out the mass of powder left is

1. (14.48 ± 0.00) g2. (14.48 ± 0.02) g3. (14.5 ± 0.1) g4. (14.5 ± 0.2) g

2.
The volume of a 100 g ball is 500 cm³. What will be the mass of the water displaced by the metal ball?

1. 100 g2. 500 g3. 1000 g4. 250 g

3.
A boat having a length of 3 metre and breadth 2 metre is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is

1. 60 kg2. 72 kg3. 128 kg4. 62 kg

4.
The kinetic energy of a particle executing S.H.M. is 16 J when it is in its mean position. If the amplitude of oscillations is 25 cm and the mass of the particle is 5.12 kg, the time period of its oscillation is

1.  s2. 2s3. 20s4. 5s

5.
The mass of a body is 2.5 kg. It is in motion and its velocity v after time t is
The force acting on body at t = 3 s is

1. 20 N2. 10 N3. 25 N4. 30 N

A packet contains silver powder of mass (20.23 ± 0.01) g some of powder of mass (5.75 ± 0.01)g is taken out the mass of powder left is