Sets
Physics Set 7
30 questions 1. On the Fahrenheit scale, the steam point of water is:
2. A current of 2 A flows through a circuit for 5 minutes. The charge that flows through the circuit is:
3. The work done in moving a charge of 3 C between two points having a potential difference of 9 V is:
4. Which of the following is an electrical insulator?
5. A continuous and closed path of an electric current is called:
6. Which of the following materials has the highest coefficient of linear expansion?
7. When two objects at different temperatures come in contact, energy flows from the:
8. A constant force of 25 N displaces an object by 4 m in the direction of the force. The work done is:
9. A reliable measure of the hotness or coldness of a body is its:
10. A microphone converts:
11. The SI unit of temperature is:
12. At the centre of a current-carrying circular loop, the magnetic field lines appear as:
13. An element has two isotopes of masses 10 u and 11 u, present in 20% and 80% abundance respectively. Its average atomic mass is:
14. A switch is a simple device that:
15. Heat is the form of energy transferred between a system and its surroundings by virtue of a difference in:
16. Rutherford's model of the atom is also known as the:
17. The model that replaced Bohr's model, describing electrons as clouds with probable regions, is the:
18. In the Himalayan region, the gharat (panchakki) is traditionally used to:
19. Water clocks in which water flowed out of a vessel were not very accurate because:
20. A speed of 54 km/h expressed in m/s is: