AP EAMCET 2021 Sample Questions
1. Consider two satellites S1 and S2 with periods of revolution 1 hr and 8 hr respectively revolving around a planet in circular orbits. The ratio of the angular velocity of satellite S1 to the angular velocity of satellite S2 is
a. 8: 1
b. 1: 8
c. 2: 1
d. 1: 4
Answer: (a)
We know that w = 2 pai/T
Given: Ratio of period
T1 / T2 = 1/8
If Y, K and n are the values of Young’s modulus, bulk modulus and modulus of rigidity of any material respectively. Choose the correct relation for these parameters.
Answer: (a)
2. Given below are two statements:
Statement-I: Two photons having equal linear momenta have equal wavelengths.
Statement II: If the wavelength of a photon is decreased, then the momentum and energy of a photon will also decrease.
In light of the above statements, choose the correct answer from the options given below.
a. Statement-I is false but Statement-II is true
b. Both Statement-I and Statement-II are true
c. Both Statement-I and Statement-II are false
d. Statement I is true but Statement II is false
Answer: (d)
3. A current through a wire depends on time as:
Find the charge crossed through a section of the wire in 15 s.
a. 2100 C
b. 260 C
c. 2250 C
d. 11250 C
Answer: (d)
