Mechanics
Units & Measurement and Dimensions
MCQ (Single Correct Answer)
Motion in a Straight Line
MCQ (Single Correct Answer)
Work, Energy and Power
MCQ (Single Correct Answer)
Center of Mass and Collision
MCQ (Single Correct Answer)
Heat and Thermodynamics
MCQ (Single Correct Answer)
Simple Harmonic Motion
MCQ (Single Correct Answer)
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)
Communication Systems
MCQ (Single Correct Answer)
1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a photoelectric experiment light of wavelength 800 nm produces photoelectrons with the smallest de-Broglie wavelength of 1 nm . Light of 400 nm produces photoelectrons with smallest de-Broglie wavelength of 0.5 nm. Then the work function of the metal used in the experiment is nearly.

A
1.03 eV
B
0.53 eV
C
2.03 eV
D
4.02 eV
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The metal which has the highest work function in the following is

A
Cesium (Cs)
B
Sodium ( Na )
C
Aluminium (Al)
D
Platinum (Pt)
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The graph between the maximum speed $$(v_{max})$$ of a photoelectron and frequency $$(\nu)$$ of the incident radiation, in photoelectric effect is correctly represented by

A
AP EAPCET 2021 - 20th August Morning Shift Physics - Dual Nature of Radiation Question 13 English Option 1
B
AP EAPCET 2021 - 20th August Morning Shift Physics - Dual Nature of Radiation Question 13 English Option 2
C
AP EAPCET 2021 - 20th August Morning Shift Physics - Dual Nature of Radiation Question 13 English Option 3
D
AP EAPCET 2021 - 20th August Morning Shift Physics - Dual Nature of Radiation Question 13 English Option 4
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The de-Broglie wavelength associated with a proton under the influence of an electric potential of 100 V is

A
1.227 $$\mathop A\limits^o $$
B
2.86 pm
C
12.27 $$\mathop A\limits^o $$
D
1.146 $$\times$$ 10$$^{-21}$$ m
AP EAPCET Subjects