Last updated on May 14th, 2023 at 09:03 pm
In this blog post, we are providing 10 EmSAT physics practice tests with answers key.
1. A woman riding bicycle collides head-on with parked school bus. If mass of the woman is one tenth the mass of the school bus. Which object feels greater acceleration.
- A. Woman
- B. School bus
- C. Both feels equal acceleration
- D. None
2. A can of paint with a mass of 10 kg hangs from a rope. If can is to be pulled up to the rooftop with an acceleration of 1.8 m/s2, what must be the tension in the rope? (Use g = 10 m/s2)
- A. 100 N
- B. 118 N
- C. 18 N
- D. 1080 N
3. A crate of mass 100 kg rests on the floor. If the coefficient of static friction is 0.3. If a force of 200 N (parallel to the floor) is applied to the crate. What is the magnitude of the force of static friction on the crate?
- A. 294 N
- B. 250 N
- C. 210 N
- D. 200 N
4. The potential energy stored in an object due to change in tits shape is called
- A. Gravitational Potential Energy
- B. Potential Energy
- C. Elastic Potential Energy
- D. Kinetic Energy
5. The amount of heat needed to melt 1 kg of substance is called
- A. Latent heat of vaporization
- B. Latent heat of fusion
- C. Latent heat
- D. Melting point
6. A gas tank contains 200L of hydrogen 273K and 1M pa. What will be the new pressure if temperature was raised to 373K and volume was reduced to 100L?
- A. 2.73 M Pa
- B. 2.73 K Pa
- C. 0.273 G Pa
- D. 273 G Pa
7. A standing wave produce in a rope that has a frequency of 6 Hz and wave speed of 15 m/s, what is the wavelength?
- A. 1.5 m
- B. 2.5 m
- C. 3 m
- D. 3.5 m
8. If the distance between two-point charges double, the electrostatic force between them will be
- A. Doubles
- B. Increases by two times
- C. does not change
- D. decreases by four times
9. The unit of measuring capacitance is
- A. Volt
- B. Ampere
- C. Farad
- D. Coulomb
10. An electric heater with resistance of 10 ohm works on potential difference equal to 120 V. The amount of thermal energy produced in 10 seconds is
- A. 120 J
- B. 1200 J
- C. 14400 J
- D. 24000 J
Answer Keys
- A
- B
- D
- C
- B
- A
- B
- D
- C
- C
