51. What is false about richter scale?
52. Which instrument is used for measuring voltage?
53. Which of the following has magnitude and no direction?
54. Match the columns
Column I (Quantity)
Column II (Unit)
a. Luminous intensity
1. Kelvin
b. Amount of substance
2. Candela
c. Time
3. Second
d. Temperature
4. Mole
| Column I (Quantity) | Column II (Unit) |
| a. Luminous intensity | 1. Kelvin |
| b. Amount of substance | 2. Candela |
| c. Time | 3. Second |
| d. Temperature | 4. Mole |
55. The SI unit of acceleration is
56. How many microns are there in a metre?
57. Match List-I with List-II and select the correct answer:
List-I (Units)
List-II (Parametric quantities)
a. Watt
1. Heat
b. Knot
2. Navigation
c. Nautical mile
3. Speed of a ship
d. Calorie
4. Power
| List-I (Units) | List-II (Parametric quantities) |
| a. Watt | 1. Heat |
| b. Knot | 2. Navigation |
| c. Nautical mile | 3. Speed of a ship |
| d. Calorie | 4. Power |
58. A 'light year' is a unit that is use to measure:
59. 'Dobson' unit is used for the measurement of
60. Which of the following devices is used to measure relatively high temperature, such as are encountered in furnaces?
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