States of Matter Notes Questions with Answers PDF Download – Test 67

MCQ 331: The mist we see when water boils is actually steam that has:

1. converted into the water
2. cooled in air
3. become clouds
4. none of the above

MCQ 332: The acceleration due to free fall does not depend on the:

1. material
2. shape
3. size
4. all of the above

MCQ 333: A heating fan supplies thermal energy at constant rate of 1000 W is immersed completely in a 2.5 Kg of block of ice at 0 °C. The ice block takes 1150 s to melt fully. What is the value for the specific latent heat?

1. 1.58 × 10⁵ J Kg^-1
2. 2.9 × 10⁵ J Kg^-1
3. 3.7 × 10⁵ J Kg^-1
4. 4.2 × 10⁵ J Kg^-1

MCQ 334: A force of 1 newton is roughly the amount of force the Earth's gravity pulls on a:

1. 10 g mass
2. 1000 g mass
3. 100 g mass
4. 200 g mass

MCQ 335: A man pushes a carton of 30 kg with a force of 60 N. The acceleration of the box would be:

1. 0.5 ms^-2
2. 2 ms^-2
3. 90 ms^-2
4. 1800 ms^-2