1. How many parsec are there in one light year ?
2. The mass of Proton is 1.67×10^ -27 kg. How many protons would make 1 g ?
3. The mass of an electron is 9.11×10^ -31 kg. How many electrons would make 1 kg ?
4. What is the order of magnitude of 1 light year ?
Answers
Answered by
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y 1ly = 0.3066 parsec
2. 1 proton = 1.67 x 10^-27 kg
1 kg = 6 x10^26
1 g = 6000 × 10^26
3 . 1 electron= 9.11 x 10^-31 kg
1 kg electron = 1 / 9.11 x 10^-31 kg
electron = 10 x 10^29
1 ly = ` distance travelled by light in vaccum in one year
1 ly = 9.46 x10^15 m
2. 1 proton = 1.67 x 10^-27 kg
1 kg = 6 x10^26
1 g = 6000 × 10^26
3 . 1 electron= 9.11 x 10^-31 kg
1 kg electron = 1 / 9.11 x 10^-31 kg
electron = 10 x 10^29
1 ly = ` distance travelled by light in vaccum in one year
1 ly = 9.46 x10^15 m
Answered by
1
Explanation:
- 0.33 parsec in one light year
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