Which one of the following waves are used by the common TV remote control...? Mcqs

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Which one of the following waves are used by the common TV remote control...?

(A) Radio waves
(B) Lasers

(C) Infrared waves
(D) Ultrasonic waves

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Which one is a vector quantity...?

(A) Mass
(B) Weight

(C) Time
(D) Temperature

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The velocity of a wave is equal to ______...?

(A) Wavelength x Frequency
(B) Wavelength / Frequency

(C) Frequency / Wavelength
(D) Wavelength + Frequency

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The fluid part of blood is known as __________...?

(A) plasma
(B) platelets

(C) blood cells
(D) None of these

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Ohm's law states that _______...?

(A) Resistance increases as current increases
(B) Resistance decreases as current increases

(C) Resistance increases as voltage increases
(D) Current increases as voltage increases

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Sericulture is the study of which discipline ...?

(A) silk production
(B) milk Production

(C) honey production
(D) forest timber production

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One calorie is equal to how many joules...?

(A) 4184 joules
(B) 4285 joules

(C) 4286 joules
(D) 4185 joules

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Which of the following cannot be polarized...?

(A) Radio waves
(B) Ultraviolet rays

(C) X-rays
(D) Ultrasonic waves

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The strength of wave action depends on all these EXCEPT:...?

(A) Currents in the sea
(B) Wind strength

(C) Depth of coastal water
(D) Height of waves

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Second highest layer of Earth's atmosphere is _______...?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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