HSC Science (General)
HSC Science (Electronics)
HSC Science (Computer Science)
Academic Year: 2024-2025
Date & Time: 28th June 2025, 11:00 am
Duration: 3h
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General Instructions:
The question paper is divided into four sections.
- Section A: Q. No. 1 contains Ten multiple choice type of questions carrying One mark each.
Q. No. 2 contains Eight very short answer type of questions carrying One mark each. - Section B: Q. No. 3 to Q. No. 14 contain Twelve short answer type of questions carrying Two marks each. (Attempt any Eight)
- Section C: Q. No. 15 to Q No. 26 contain Twelve short answer type of questions carrying Three marks each. (Attempt any Eight)
- Section D: Q. No. 27 to Q. No. 31 are Five long answer type of questions carrying Four marks each. (Attempt any Three)
- Use of the log table is allowed. Use of calculator is not allowed.
- Figures to the right indicate full marks.
- For multiple choice type questions, only the first attempt will be considered for evaluation.
- Physical Constants:
- h = 6.63 × 10−34 Js
- c = 3 × 108 m/s
- π = 3.142
- g = 9.8 m/s2
- ε0 = 8.85 × 10−12 C2/Nm2
- μ0 = 4π × 10−7 Wb/Am
- mass of electron, me = 9.11 × 10−31 kg
- mass of proton, mp = 1.672 × 10−27 kg
- Stefan’s constant, σ = 5.67 × 10−8 Jm−2 s−1 k−4
- Rydberg’s constant, RH = 1.097 × 107 m−1
For which of the following bodies, the principle of perpendicular axes is applicable?
Spherical
Conical
Cylindrical
Laminar
Chapter:
Which of the following equations represents a simple harmonic progressive wave travelling along the negative X-direction?
Y = a sin (kx − ωt)
Y = a sin (kx + ωt)
Y = a sin (ky − ωt)
Y = a sin (ky + ωt)
Chapter:
In a cyclotron final kinetic energy of a particle revolving in a circular path of radius ‘R’ exit is ______.
K.E. ∝ Rexit
K.E. ∝ R2exit
`K.E. ∝ 1/(R_"exit")`
`K.E. ∝ 1/(R_"exit"^2)`
Chapter:
For which of the following metals, photoelectric effect is possible for visible radiation?
Zinc
Cadmium
Magnesium
Sodium
Chapter:
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The gyromagnetic ratio of electron is ______.
`(2m_e)/e`
`(2m_e)/(e^2)`
`e/(2m_e)`
`(e^2)/(2m_e)`
Chapter:
Two capillary tubes of radii 0.3 cm and 0.6 cm are dipped in the same liquid. The ratio of heights through which the liquid will rise in the tubes is ______.
1: 2
2: 1
1: 4
4: 1
Chapter: [2] Mechanical Properties of Fluids
Kirchhoff’s Voltage Law applied to a loop deals with the conservation of ______.
momentum
mass
energy
charge
Chapter:
How many times the intensity of an unpolarized light wave reduces after passing through a polarizer?
`1/2`
`1/4`
`1/6`
`1/8`
Chapter:
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If pressure of gas contained in a closed vessel is increased by 0.4% when heated by 1°C, its initial temperature must be ______.
200°C
250°C
300°C
350°C
Chapter:
The wavelength and power of the incident light is 4000 Å and 0.1 W respectively. The number of incident photons is ______.
2.011 × 1017
3.011 × 1017
4.011 × 1017
5.011 × 1017
Chapter:
What is the velocity of a particle performing linear SHM, at extreme position?
Chapter:
What happens to a ferromagnetic substance heated above Curie temperature?
Chapter: [15] Magnetism
What is the coefficient of transmission for athermanous materials?
Chapter:
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