Discussion
Home ‣ General Knowledge ‣ Physics Comments
- Question
If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:
Options- A. concave mirror
- B. convex mirror
- C. plano-concave mirror
- D. plane mirror
- Correct Answer
- convex mirror
- 1. Which of the following never occurs singly in nature?
Options- A. Inertia
- B. Momentum
- C. Force
- D. Velocity Discuss
- 2. The resistance of a conductor is inversely proportional to its:
Options- A. length
- B. resistivity
- C. temperature
- D. area of cross section Discuss
- 3. To convert temperature from Celcius to Kelvin scale, you must ___ the given temperature.
Options- A. subtract 273
- B. multiply 273
- C. add 273
- D. divide by 273 Discuss
- 4. A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.
Options- A. 50J
- B. 30J
- C. 20J
- D. 40J Discuss
- 5. An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
Options- A. 275 J
- B. 110 J
- C. 2750 J
- D. 110 J Discuss
- 6. The focal length of a concave mirror with a radius of curvature of 20.0 cm is :
Options- A. 20 cm
- B. 5 cm
- C. 10 cm
- D. 15 cm Discuss
- 7. A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/sq.s)
Options- A. 0J
- B. 200J
- C. 400J
- D. 100J Discuss
- 8. A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:
Options- A. 3
- B. 5
- C. 6
- D. 7 Discuss
- 9. Bending of light rays in denser medium is termed as:
Options- A. Reflection
- B. Dispersion
- C. Refraction
- D. Deflection Discuss
- 10. When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?
Options- A. 5.33 N
- B. 4.33 N
- C. 6.33 N
- D. 3.33 N Discuss
Physics problems
Search Results
Correct Answer: Force
Correct Answer: area of cross section
Correct Answer: add 273
Correct Answer: 50J
Correct Answer: 275 J
Correct Answer: 10 cm
Correct Answer: 0J
Correct Answer: 3
Correct Answer: Refraction
Correct Answer: 5.33 N
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.