Practice mode / Physics Which one of the following sets of color combinations is added in color vision in TV’? A Option A: Red, green and blue B Option B: Orange, back and violet C Option C: White. red and yellow D Option D: Yellow, green and blue Correct answer A. Red, green and blue Show answer Report a problem How we write and check questions
Question 01 / Physics A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be? A Option A: – 2O°C B Option B: – 10°C C Option C: + 10°C D Option D: + 20°C Correct answer B. – 10°C Show answer Open question
Question 02 / Physics What is ‘Stealth Technology‘? A Option A: A device which when attached to an aircraft makes it invisible on the radar B Option B: A coating which reduces the visibility of an aircraft on radar C Option C: A Technology by which it is possible for the aircraft’s to spy in the enemy air-space D Option D: A technology by using which paratroopers can be dropped stealthily behind the enemy columns. Correct answer B. A coating which reduces the visibility of an aircraft on radar Show answer Open question
Question 03 / Physics The Green House Effect is caused by an excess of? A Option A: Carbon dioxide B Option B: Carbon monoxide C Option C: Carbon tetrachloride D Option D: None of the above Correct answer A. Carbon dioxide Show answer Open question
Question 04 / Physics T.V. transmission cannot cover a very large area because A Option A: the strength of T.V. waves is very limited B Option B: picture cannot be transmitted clearly after a specific distance C Option C: the shape of the earth is spherical D Option D: the air is not a good conductor of light and sound/waves Correct answer C. the shape of the earth is spherical Show answer Open question
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