MCQ
The image formed by a plane mirror is always:
- AReal
- BRrect
- CVirtual
- ✓Both $(b)$ and $(c)$
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|
Fuel
|
Calorific value (kJ/ kg)
|
|
Coal
|
$25000-33000$
|
|
Diesel
|
$45000$
|
|
$LPG$
|
$55000$
|
|
$CNG$
|
$50000$
|