Physics Questions and Answers
General Knowledge Physics Questions with Answers focus on principles and concepts of physics. Common in SSC, UPSC, and Banking exams, they help candidates strengthen scientific reasoning and problem-solving skills
Physics
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77 questions
61. Isotopes of an element contain
- the same number of protons but different number of neutrons
- the same number of neutrons but different number of protons
- equal number of protons and electrons
- equal number of nucleons
62. One watt-hour is equivalent to
- 6.3 x 103 J
- 6.3 x 10-7 J
- 3.6 x 103 J
- 3.6 x 10-3 J
63. Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
- Scattering
- Diffraction
- Interference
- Polarization
64. In which of the following industries is mica as a raw material?
- Cement
- Glass and Pottery
- Iron and Steel
- Electrical
65. Radiocarbon dating technique is used to estimate the age of
- rocks
- monuments
- soil
- fossils
66. Identify the vector quantity from the following
- Heat
- Angular momentum
- Time
- Work
67. Large astronomical telescopes always use as objective
- lens
- mirror
- combinations of lenses
- None of the above
68. One should not connect a number of electrical appliances to the same power socket because
- this can damage the appliances due to overloading
- this can damage the domestic wiring due to overloading
- this can damage the electrical meter
- the appliance will not get full voltage
69. Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? Diffusion Refraction Internal reflection
- I, II and III
- I and II
- II and III
- I and III
70. Natural radioactivity was discovered by
- Marie Curie
- Ernest Rutherfor
- Henry Baquerel
- Enrico Fermi