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Placement test 3 to practice refraction of light MCQs. Here, you may find free entry test questions with answers to practice physics test 1 college placement test on turning effect of forces, specific heat capacity, mass and weight, evaporation, refraction of light, MCQs with questions and answers.

## Physics Entry Test 3

Turning Effect Of Forces Practice Test Question

MCQ. A block of mass 5 kg is placed at a distance of 50 cm from the pivot, the torque of the block is (Gravitational Field Strength = 10 N/kg)

1. 2.5 Nm
2. 25 Nm
3. 250 Nm
4. 2500 Nm

C

Specific Heat Capacity Practice Test Question

MCQ. A chef boils 200g of water in a saucepan. He leaves it for sometime until the temperature of the water rises from 30 °C to 110 °C. the thermal energy required to raise this temperature was 67200 J, the specific heat capacity of the water should be

1. 840 J/g°C
2. 420 J/g°C
3. 4.2 J/g°C
4. 336 J/g°C

C

Mass and Weight Practice Test Question

MCQ. An astronaut moves from Earth to Moon, his

1. Mass and Weight both stay the same
2. Only Mass changes
3. Only Weight changes
4. Both Mass and Weight change

C

Evaporation Practice Test Question

MCQ. Evaporation is a similar process to

1. boiling
2. melting
3. condensing
4. freezing

A

Refraction of Light Practice Test Question

MCQ. If a ray of light moves from less dense to more dense medium, the angle of refraction

1. increases than the angle of incidence
2. decreases than the angle of incidence
3. remains same as the angle of incidence
4. depends on the refractive index

B