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Long-sight defect could be corrected by using ____ lens:
a) concave
b) convex
c) diverging
d) none of these (more…)
Very High Frequency (VHF) have _____ wavelengths:
a) shorter
b) shortest
c) longer
d) longest (more…)
What is the SI unit of charge?
a) Ampere
b) Coulomb
c) Ohm
d) meter (more…)
Which of the following will you use to remove rust stains on cloth?
a) Kerosene oil
b) Oxalic Acid Solution
c) Alcohol
d) None of these (more…)
The unit of measuring intensity of noise is called:
a) Knot
b) Calorie
c) Ohm
d) Decibel (more…)
Which of the following is an alloy?
a) Gold
b) Tin
c) Zinc
d) Bronze (more…)
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