Verified Solution • 2025–26 Session moderate

QAIPMT-2009-Ph-2145: NEET 2009 Physics - Class 12 AIPMT-2009-Ph-2145 Solution: A particle starts its motion from rest under the action of a…

A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds is S1S_1 and that covered in the first 20 seconds is S2S_2 then S2=3S1S_2 = 3S_1 S2=4S1S_2 = 4S_1 S2=S1S_2 = S_1 S2=2S1S_2 = 2S_1

Multiple Choice Options

  • A 4000 nm
  • B 6000 nm
  • C 4000 A∘\mathop A\limits^ \circ A _ _
  • D 6000 A∘\mathop A\limits^ \circ A _ _

Step-by-Step Verified Solution

_ max = h c E = 6.6 _ 10 _ 34 _ 3 _ 10 8 2.5 _ 1.6 _ 10 _ 19 = 5000 A o Now the wavelength detected by photodiode be less than _ max , hence it can detect a signal of wave length 4000 A o .

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