Quiz 466: General Science For All Examinations
1.Which among the following strictly works on the principle of dipole movement of the water molecules?
2.Which among the following waves are most commonly used in the Night Vision Devices?
(B)Infra Red Waves
(C)Ultra Violet Waves
3.Which among the following waves are used in the gemstone industry to change white topaz into blue topaz?
4.What do we call the part of the “DTH Satellite dish” that converts the signals from electromagnetic or radio waves to electrical signals ?
(A)Orthomode transducer (OMT)
(B)Low-noise block converter (LNB)
(C)Block upconverter (BUC)
5.The power we use at Home has a frequency of 60Hz. What would be the period of the sine wave?
6.Consider the following advantages of the Optic Fibers and the Copper wires:
1. Optic Fibers are NOT susceptible to the electrical interference
2. Optic Fibers can be used to transmit more signals that Copper Wires
3. Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires.
Which among the above stand correct ?
(A)Only 1 is correct
(B)Only 1 & 2 are correct
(C)All 1, 2 & 3 are correct
(D)Only 3 is correct
7.Consider the following:
1. Submarine Communications
2. AM Radio
3. Short Wave Radio
Arrange the above in increasing frequency of the waves used in their applications.
(A)4 3 2 1
(B)1 2 3 4
(C)2 1 4 3
(D)2 3 4 1
8.Consider the following:
1. Alpha Rays
2. Gamma Rays
3. Beta Rays
Which among the above have equal velocity of the light waves?
(A)Only 1 & 2
(B)Only 2 & 3
9.Which among the following correctly represents a Parsec?
(A)0.326 Light Years
(B)3.261 Light Years
(C)32.61 Light Years
(D)3.026 Light Years
10.”Fermi” is a unit of which among the following?
11.Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?
12.Which among the following property of the matter is studied in “Rheology”?
13.Which among the following is “Fool’s Gold” ?
14.In which country is produced the “Carnauba wax”?
15.Which among the following makes Chile saltpetre different from saltpetre?