| Statement 1: When an electrical heater is switched on, the colour of the filament gradually changes from red to yellow to almost white. |
| Statement 2: Wien's displacement law states that \[{{\lambda }_{m}}T=b\](constant) where symbols have their usual meaning. |
A) Statement-1 is false, Statement-2 is true.
B) Statement-1 is true, statement-2 is true and statement- 2 is correct explanation for statement-1
C) Statement-1 is true, Statement-2 is true and statement- 2 is NOT correct explanation for statement-1
D) Statement-1 is true, Statement-2 is false.
Correct Answer: B
Solution :
\[T\uparrow \lambda \uparrow ;red\to yellow,{{\lambda }_{r}}>{{\lambda }_{y}}\]
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