Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

The potential difference applied to an X-ray tube is decreased. As a result, in the emitted radiation,

A
the intensity increases
B
the intensity decreases
C
the minimum wavelength increases
D
the minimum wavelength decreases
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
Lights of two different frequencies whose photons have energies 1.5 eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum speeds of emitted electrons will be
A
3 : 2
B
2 : 3
C
$$\sqrt3$$ : $$\sqrt2$$
D
$$1 :\sqrt 2 $$
Questions Asked from MCQ (Single Correct Answer)
BITSAT Subjects
English Proficiency