Discussion
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- Question
The angle between the __________and the incident ray is called the angle of incidence.
Options- A. surface
- B. normal
- C. tangent
- D. reflected ray
- Correct Answer
- normal
- 1. Supercooling is cooling of liquid _____.
Options- A. below melting point
- B. below freezing point
- C. at melting point
- D. above melting point Discuss
- 2. What is the process of conversion of solid state directly to gaseous state called?
Options- A. Evaporation
- B. Condensation
- C. Sublimation
- D. Distillation Discuss
- 3. On which principle does the hydraulic lift works?
Options- A. Newton's law
- B. Pascal's law
- C. Archimedes's law
- D. Joule's law Discuss
- 4. Which phenomena shows the particle nature of light?
Options- A. Diffraction
- B. Interference
- C. Photoelectric effect
- D. Polarisation Discuss
- 5. Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?
Options- A. It is narrow band of high-velocity wind.
- B. It follows the wave path near the tropopause at elevations of 8 km to 15 km.
- C. Jet streams are typically continuous over long distances.
- D. In summer, the polar front jet achieves its maximum force. Discuss
- 6. The laws which govern the motion of planets are called ___________________.
Options- A. Newton's Laws
- B. Kepler's Laws
- C. Avogadro's laws
- D. De Morgan's Laws Discuss
- 7. Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
Options- A. 12500
- B. 20
- C. 40
- D. 6250 Discuss
- 8. In _____________ motion of a body its velocity varies with time.
Options- A. uniform
- B. linear
- C. equilibrium
- D. non-uniform Discuss
- 9. The force of friction between two surfaces will increase if:
Options- A. a layer of lubricant is kept between the two surfaces
- B. the two surfaces are pressed harder
- C. air gap is created between the two surfaces
- D. irregularities on both the surfaces are removed Discuss
- 10. The property of metal by which it can be drawn into wires is called _____________.
Options- A. maleability
- B. viscosity
- C. ductility
- D. tensile strength Discuss
Physics problems
Search Results
Correct Answer: below freezing point
Correct Answer: Sublimation
Correct Answer: Pascal's law
Correct Answer: Photoelectric effect
Correct Answer: It follows the wave path near the tropopause at elevations of 8 km to 15 km.
Explanation:
All are correct except D, as Jet streams are phenomena of winter. It is believed that jet stream exercises an important influence on the winter weather in India.
Correct Answer: Kepler's Laws
Correct Answer: 20
Correct Answer: non-uniform
Correct Answer: the two surfaces are pressed harder
Correct Answer: ductility
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