Discussion
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- Question
The coil wire in the electric room heater or electric cooking heater is called __________.
Options- A. Circuit
- B. Element
- C. Filament
- D. Cells
- Correct Answer
- Element
- 1. According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.
Options- A. density
- B. volume
- C. force
- D. mass Discuss
- 2. A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
Options- A. 40
- B. 10
- C. 20
- D. 80 Discuss
- 3. What is the unit of the physical quantity "Inductance"?
Options- A. weber
- B. farad
- C. henry
- D. tesla Discuss
- 4. Farad is unit of ___________.
Options- A. Capacitance
- B. Reactance
- C. Electric charge
- D. Electric conductance Discuss
- 5. 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
- 6. A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun.
Options- A. 2
- B. 0.1
- C. 4
- D. 0.05 Discuss
- 7. The motion of a freely falling body is an example of ________________________ motion.
Options- A. uniformly accelerated
- B. non-uniformly accelerated
- C. constant velocity
- D. constant speed Discuss
- 8. Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
Options- A. -4.33 diopters
- B. 12.33 diopters
- C. -12.33 diopters
- D. 4.33 diopters Discuss
- 9. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?
Options- A. 0 m/s
- B. 4.9 m/s
- C. 14.7 m/s
- D. 20 m/s Discuss
- 10. Fuse wire is made of an alloy of
Options- A. Tin and Lead
- B. Tin and Copper
- C. Lead and Copper
- D. Copper and Silver Discuss
Physics problems
Search Results
Correct Answer: mass
Correct Answer: 10
Correct Answer: henry
Correct Answer: Capacitance
Correct Answer: 18,000 units
Correct Answer: 0.05
Correct Answer: uniformly accelerated
Correct Answer: 12.33 diopters
Correct Answer: 0 m/s
Correct Answer: Tin and Lead
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