Sets
Physics Set 13
30 questions 1. The force acting on a particle in SHM is:
2. A person who can see distant objects clearly but cannot see nearby objects distinctly suffers from:
3. The nucleus is smaller than the atom by a factor of about:
4. Compared with the actual body temperature, the temperature measured in the armpit with a digital thermometer is:
5. Grasshoppers and crickets produce sound by:
6. A force of 240 N acts perpendicular to a surface of area 0.60 m². The pressure is:
7. A sudden loud sound pulse, as in a clap of thunder, is produced when heated air undergoes:
8. The first person to use a glass prism to obtain the spectrum of sunlight was:
9. Which of the following animals can detect infrasound?
10. For an isolated system, the heat lost by the hotter part is ___ the heat gained by the colder part.
11. The audible range of human hearing is:
12. The phenomenon of certain elements emitting radiation on their own was named radioactivity by:
13. The charge to mass ratio (e/mₑ) of the electron is:
14. The neutron was discovered in 1932 by:
15. While walking, the force that pushes a person forward is the force of:
16. The orbital period of the planet Mercury is:
17. A wire of length 2 m and area of cross-section 1 × 10⁻⁶ m² has a resistance of 4 Ω. The resistivity of its material is:
18. Because of the anomalous behaviour of water, lakes and ponds freeze first at the:
19. India's first insolation atlas, Solar Radiation Over India, was published by Anna Mani and:
20. Consider the following pairs:
(I) Transparent material – Light passes almost completely through it
(II) Translucent material – Light passes partially through it
(III) Opaque material – Light passes partially through it
Which of the pairs given above is/are correctly matched?