Thoroughly analyzing AP Inter 1st Year Physics Model Papers Set 1 helps students identify their strengths and weaknesses.
AP Inter 1st Year Physics Model Paper Set 1 with Solutions
Time: 3 Hours
Maximum Marks: 60
Section – A (10 × 2 = 20 Marks )
Note :
- Answer all questions.
- Each question carries two marks.
- All are very short answer type questions.
Question 1.
What is the discovery of C. V. Raman ?
Question 2.
Distinguish between fundamental units and derived units.
Question 3.
Is it necessary that a mass should be present at the centre of mass of any system ?
Question 4.
What happens to the coefficient of friction if the weight of the body is doubled ?
Question 5.
Why are spokes provided in a bicycle wheel ?
Question 6.
When two right angled vectors of magnitude 7 units and 24 units combine, what is the magnitude of their resultant ?
Question 7.
Why are drops and bubbles spherical ?
Question 8.
What is angle of contact ?
Question 9.
What are the lower and upper fixing points in Celsius and Fahrenheit scales ?
Question 10.
Define absorptive power of a body. What is the absorptive power of a perfect black body ?
Section – B (6 × 4 = 24 Marks)
Note :
- Answer any six questions.
- Each question carries four marks.
- All are short answer type questions.
Question 11.
Show that the trajectory of an object thrown at certain angle with the horizontal is a parabola.
Question 12.
Mention the methods used to decrease friction.
Question 13.
Define strain energy and derive the equation for the same.
Question 14.
A car travels the first third of a distance with a speed of 10 kmph, the second third at 20 kmph and the last third at 60 kmph. What is its mean speed over the entire distance ?
Question 15.
What is orbital velocity ? Obtain expression for it.
Question 16.
In what way is the anomalous behaviour of water advantageous to aquatic animals ?
Question 17.
Define angular velocity (ω). Derive v = rω.
Question 18.
What is the ratio of r.m.s. speed of Oxygen and Hydrogen molecules at the same temperature ?
Section – C (2 × 8 = 16 Marks)
Note :
- Answer any two of the following questions.
- Each question carries eight marks.
- All are long answer type questions.
Question 19.
What are collisions ? Explain the possible types of collisions. Develop the theory of one dimensional elastic collision.
Question 20.
Define Simple Harmonic Motion. Show that the motion of (point) projection of a particle performing uniform circular motion on any diameter is simple harmonic motion.
Question 21.
State Second Law of Thermodynamics. How heat engine is different from a Refrigerator ?