1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A 5 watt source emits monochromatic light of wavelength 5000 $$\mathop A\limits^ \circ $$. When placed 0.5 m away, it liberates photoelectrons from a photosensitive metallic surface. When the source is moved to a distance of 1.0 m, the number of photoelectrons liberated will be reduced by a factor of
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The momentum of a photon of energy 1 MeV in kg m/s will be
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
In a discharge tube ionization of enclosed gas is produced due to collisions between
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
When photons of energy h$$\upsilon $$ fall on an aluminimum plate (of work function E0), photoelectrons of maximum kinetic energy K are ejected. If the frequency of radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will be
Questions Asked from Dual Nature of Radiation and Matter (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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AIPMT 2007 (3)
AIPMT 2006 (4)
AIPMT 2005 (2)
AIPMT 2004 (1)
AIPMT 2003 (2)
AIPMT 2002 (4)
AIPMT 2001 (3)
AIPMT 2000 (2)
NEET Subjects
Physics
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Units & Measurement Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Properties of Matter Heat and Thermodynamics Oscillations Waves
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