AP-EAPCET SERIES Physics
Modern Physics
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
7
2025 Chapter Questions 7 MCQs
01
PYQ 2025
medium
physics ID: ap-eapce
If the angular momenta of electrons in two orbits of hydrogen atom are and , then the ratio of velocities of electrons in these two orbits is
(h β Planckβs constant)
(h β Planckβs constant)
1
2
3
4
02
PYQ 2025
medium
physics ID: ap-eapce
An electron of specific charge enters an electric field, at a time with an initial velocity . If is its initial de Broglie wavelength, then its de Broglie wavelength at a time βtβ is
1
2
3
4
03
PYQ 2025
medium
physics ID: ap-eapce
If the half-life of a radioactive substance is 32 hours, then the fraction of the substance decayed in 4 days is
1
2
3
4
04
PYQ 2025
medium
physics ID: ap-eapce
If a bullet of mass 2 g travels with velocity of 3 \times 103 cm s-1, its wavelength (in m) is: (h = 6.6 \times 10-34 Js)
1
10
2
10
3
10
4
10
05
PYQ 2025
medium
physics ID: ap-eapce
The ratio of the radii of the nuclei of mass numbers 27 and 64 is:
1
3 : 4
2
4 : 3
3
9 : 16
4
16 : 9
06
PYQ 2025
medium
physics ID: ap-eapce
The waves used for line of sight communication and satellite communication are:
1
space waves
2
ground waves
3
sky waves
4
surface waves
07
PYQ 2025
medium
physics ID: ap-eapce
The wavelength of spectral line corresponding to electron transition to for ion is . What is the wavelength (in nm) corresponding to electron transition to for ion?
1
2
3
4
5
About Modern Physics - AP-EAPCET
Modern Physics is a vital chapter for AP-EAPCET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Modern Physics PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Modern Physics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.