Free physics question bank
11 April 2023 physics questions with solutions
Browse 11 April 2023 Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 58 questions
- MCQeasyAtomic Structure and X-rays
The energy of He⁺ in its first excited state is, given hydrogen ground-state energy -13.6 eV:
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - MCQeasyElectromagnetic wave
A plane electromagnetic wave propagates along +x. At a point, E = 6.6 ĵ V m⁻¹. The magnetic field at that point is:
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - MCQeasyGravitation
If V is the gravitational potential at the surface of a uniform solid sphere, the potential at its centre is:
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - MCQeasyCurrent electricity
Two identical heater filaments are connected first in parallel and then in series. At the same applied voltage, the ratio of heat produced in the same time, parallel : series, is:
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JEE Mains11 April 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumsemiconductor
The logic operation performed by the shown digital circuit is equivalent to:
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - MCQmediumThermodynamics
On a linear temperature scale X, water freezes at -15°X and boils at 65°X. The Fahrenheit temperature corresponding to -95°X is:
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JEE Mains11 April 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumGravitation
A spacecraft is in a circular orbit close to Earth's surface. The additional speed required to escape Earth's gravity is, for g = 10 m s⁻² and R = 6400 km:
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - IntegermediumAtomic Structure and X-rays
Monochromatic light incident on ground-state hydrogen is absorbed and the atoms subsequently emit six different wavelengths. If the incident frequency is x × 10¹⁵ Hz and h = 4.25 × 10⁻¹⁵ eV s, find x.
JEE Mains11 April 2023Shift 1Morning Shift
Open question & full solution → - MCQeasyKinematics part-2 Projectile Motion
A projectile is projected at 30° with speed 40 m s⁻¹. Its velocity magnitude at t = 2 s is: (g = 10 m s⁻²)
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JEE Mains11 April 2023Shift 2Evening Shift
Open question & full solution → - MCQeasyNewtons law of motion and Friction
A 500 g body moves along x such that v = 10√x m s⁻¹. The force on the body is:
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JEE Mains11 April 2023Shift 2Evening Shift
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