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.
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.
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.
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.
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 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 is the most common cause of Sunburn?
A. Ultraviolet Radiation
B. Visible Radiation
C. Infrared Radiation
D. Microwave Radiation
✅ The correct answer is option A.
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.
―Svedberg Unit‖ is a unit of _________?
A. Concentration
B. Size
C. Density
D. Time
✅ The correct answer is option D.
A vehicle moving on a circular path experiences ________?
A. centripetal force
B. centrifugal force
C. gravitational force
D. None of the above
✅ The correct answer is option A.