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- Question
___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
Options- A. First law of thermodynamics
- B. Hooke's Law
- C. The coulomb's law
- D. Faraday's Law
- Correct Answer
- First law of thermodynamics
- 1. During _____________ motion of an object along a straight line, the velocity remains constant with time.
Options- A. linear
- B. translational
- C. uniform
- D. equilibrium Discuss
- 2. Friction is caused by the ______________ on the two surfaces in contact.
Options- A. irregularities
- B. smoothness
- C. densities
- D. gaps Discuss
- 3. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
Options- A. Friction
- B. Magnetic force
- C. Electrostatic force
- D. Muscular force Discuss
- 4. When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?
Options- A. Energy
- B. Displacement
- C. Velocity
- D. Acceleration Discuss
- 5. What is the SI unit of intensity of sound?
Options- A. Decible
- B. Newton
- C. Heartz
- D. Tesla Discuss
- 6. What is the direction of torque?
Options- A. Perpendicular to the direction of applied force
- B. Same as the direction of applied force
- C. Opposite to the direction of applied force
- D. Parallel to the radius Discuss
- 7. Find the resistance (in mega ?) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 ?m.
Options- A. 40
- B. 4000
- C. 80
- D. 2000 Discuss
- 8. Air moves from the region where the air _____________________________.
Options- A. humidity is high to the region where the humidity is low
- B. pressure is low to the region where the pressure is high
- C. pressure is high to the region where the pressure is low
- D. humidity is low to the region where the humidity is high Discuss
- 9. If demand curve for alphonso mangoes is D = 25000 70P and supply curve is S = 10000 + 80P, find the equilibrium quantity?
Options- A. 18,000 units
- B. 2,000 units
- C. 1,800 units
- D. 200 units Discuss
- 10. Farad is unit of ___________.
Options- A. Capacitance
- B. Reactance
- C. Electric charge
- D. Electric conductance Discuss
Physics problems
Search Results
Correct Answer: uniform
Correct Answer: irregularities
Correct Answer: Friction
Correct Answer: Energy
Correct Answer: Decible
Correct Answer: Perpendicular to the direction of applied force
Correct Answer: 40
Correct Answer: pressure is high to the region where the pressure is low
Correct Answer: 18,000 units
Correct Answer: Capacitance
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