One Torr is equivalent to how many mm of Mercury?
A. 1 mm
B. 10 mm
C. 100 mm
D. 0.1 mm
✅ The correct answer is option A.
Which among the following strictly works on the principle of dipole movement of the water molecules?
A. Refrigerator
B. Microwave Oven
C. Air Conditioner
D. Electric Geyser
✅ The correct answer is option B.
Which among the following waves are most commonly used in the Night Vision Devices?
A. Microwaves
B. Infra Red Waves
C. Ultra Violet Waves
D. Radio Waves
✅ The correct answer is option B.
Which among the following waves are used in the gemstone industry to change white topaz into blue topaz?
A. X-Rays
B. Gamma Rays
C. Alpha Radiation
D. Beta Radiation
✅ The correct answer is option B.
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)
D. Parabolic Dish
✅ The correct answer is option B.
The power we use at Home has a frequency of 60Hz. What would be the period of the sine wave?
A. 0.116 seconds
B. 0.0116 seconds
C. 0.00116 secon
D. 0.0016 Microseconds
✅ The correct answer is option B.
Consider the following advantages of the Optic Fibers and the Copper wires: Optic Fibers are NOT susceptible to the electrical interference Optic Fibers can be used to transmit more signals that Copper Wires 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
✅ The correct answer is option C.
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
✅ The correct answer is option B.
―Fermi‖ is a unit of which among the following?
A. Mass
B. Length
C. Velocity
D. Frequency
✅ The correct answer is option B.
Which among the following property of the matter is studied in ―Rheology‖?
A. Gravitation
B. Viscosity
C. Magnetic Properties
D. Entropy
✅ The correct answer is option B.