Download Physics for You February 2015 PDF

TitlePhysics for You February 2015
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Total Pages94
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Page 93

physics for you | FEBRUARY ‘15 93

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12. Unit of power of a spectacle lens. (7)
14. A measure of the ability of a substance to absorb

radiation. (12)
15. Complex ratio of voltage to current in an ac circuit. (9)
19. An imaginary line that divides earth into northern and

southern hemisphere. (7)
22. Belts of energetic charged particles lying across the

equatorial plane. (3, 5, 5)
26. Minimum magnetic moment an electron can have. (4, 8)
27. Communication technology based on total internal

reflection. (7, 5)
30. Partial or total blocking of light of one celestial object

by another. (7)
32. Failure of a lens or mirror to produce a good image. (10)
34. Mixture found beneath the surface of the earth. (5)
35. Instrument for detecting sounds under water. (10)
36. Reciprocal of capacitance. (9)
37. Property of a material related to the existence of

magnetic domains in it. (10)

g g

down
1. Inventor of first ac motor. (6, 5)
3. A highly dense region in space whose

escape velocity exceeds the speed of
light. (5, 4)

5. Phenomenon of flotation in air, defying
gravity. (10)

7. The interval of time following excitation
during which light is emitted from the
screen of a cathode ray tube. (11)

8. Commercial unit of electrical
energy. (8, 4)

9. The positive or negative state in which a
body reacts to field. (8)

12. Medium with highest optical density. (7)
13. Phenomenon of scattering of light by

colloidal particles. (7, 6)
16. A temporary strong magnet. (13)
17. Quantum of the gravitational field. (8)
18. Rate of flow of the electric field through

a given area. (8, 4)
20. Equipment for plasma confinement in

fusion power reactors. (7)
21. Distribution of audio or video content

via radio or television. (9)
23. Type of motion of an object when it travels unequal

distances in equal intervals of time. (3, 7)
24. A unit of frequency equal to 1012 Hz. (7)
25. Element which acts like an unknown variable

resistor. (8)
28. A total reflection prism. (5, 5)
29. Self induced emf. (4, 3)
31. A device used for changing a circuit’s operating

conditions. (6)
33. A musical sound of specific frequency. (4)

ACRoSS
2. A tube designed to demonstrate the luminous effects of

an electrical discharge through a rarefied gas. (8, 4)
4. The measure of difference between an observation and

its true value. (9)
6. A point on earth’s surface that is directly above the

focus, point where an earthquake originate. (9)
10. Process of measuring the heat of physical changes. (11)
11. Difference between upper and lower frequency of a

band. (9)

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