The most useful tracer is_________________?

Related Mcqs:

1. Which one of the following materials is useful for making bulb filaments ?

   A. constantan
   B. nichrome
   C. copper
   D. tungsten

2. Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

   A. 1.61 ms-1
   B. 61.0 ms-1
   C. 0.61 ms-1
   D. 2.00 ms-1

3. The consumption of energy by a 60 watt bulb in 2 sec is_________________?

   A. 120 J
   B. 60 J
   C. 30 J
   D. 0.02 J

4. An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?

   A. 3.5 x 10-3 J
   B. 3.5 x 104 J
   C. 3.5 x 106 J
   D. 3.5 x 109 J

5. The relation between horse power and watt is_________________?

   A. 1 hp = 546 watts
   B. 1 hp = 746 watts
   C. 1 hp = 1000 watts
   D. 1 hp = 946 watts

6. A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

   A. FE
   B. (FE)
   C. FE2/L
   D. FE2

7. Formation of large molecule by joining small molecules is_________________?

   A. Fusion
   B. Polymerization
   C. Crystallization
   D. Subtraction

8. Number of significant figures in 0.0173 is_________________?

   A. 3
   B. 4
   C. 5
   D. 2

9. A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

   A. Infinite
   B. T/g
   C. Zero
   D. g/T

10. The length of the second pendulum is_________________?

    A. 100 cm
    B. 99 cm
    C. 99.2 cm
    D. 98 cm