46.

Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open
A. at sea level B. at the top of Mt. Everest
C. at a place in a valley below sea level D. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
47.

Radio telescopes are better than optical telescopes because
A. they can detect faint galaxies which no optical telescope can B. they can work even in cloudy conditions
C. they can work during the day and night D. All of the above
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
48.

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit
A. X-rays B. ultraviolet light
C. visible light D. radio waves
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
49.

Out of the following pairs, which one does not have identical dimension?
A. Moment of inertia and moment of a force B. Work and Torque
C. Angular momentum and Planck's constant D. Impulse and Momentum
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
50.

Mercury is commonly used as a thermometric fluid rather than water because
A. specific heat of mercury is less than water B. specific heat of mercury is more than water
C. mercury has greater visibility than water D. density of mercury is more than the water
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.