Physics · WORK, ENERGY AND POWER
हिन्दीMatch List-I with List-II: List-I (Unit of Work/Energy) List-II (Equivalent Value in Joules) A 1 erg I \( 3.6 \times 10^6 \text{ J} \) B 1 electron volt (eV) II \( 4.186 \text{ J} \) C 1 calorie (cal) III \( 1.6 \times 10^{-19} \text{ J} \) D 1 kilowatt hour (kWh) IV \( 10^{-7} \text{ J} \) Choose the correct answer from the options given below:
Match List-I with List-II:
| List-I (Unit of Work/Energy) | List-II (Equivalent Value in Joules) | ||
|---|---|---|---|
| A | 1 erg | I | \( 3.6 \times 10^6 \text{ J} \) |
| B | 1 electron volt (eV) | II | \( 4.186 \text{ J} \) |
| C | 1 calorie (cal) | III | \( 1.6 \times 10^{-19} \text{ J} \) |
| D | 1 kilowatt hour (kWh) | IV | \( 10^{-7} \text{ J} \) |
Choose the correct answer from the options given below:
Correct answer · Option 2
A-(IV), B-(III), C-(II), D-(I)
Explanation
From Table 5.1: 1 erg = \( 10^{-7}\text{ J} \), 1 eV = \( 1.6\times 10^{-19}\text{ J} \), 1 cal = \( 4.186\text{ J} \), 1 kWh = \( 3.6\times 10^6\text{ J} \).