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For uranium nucleus how does its mass vary with volume?

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Important Questions on Sample Paper

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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 46
Which state of the triply ionised beryllium Be3+ has the same orbital radius at that of the ground state of hydrogen?
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 47
An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 48
Two parallel infinite line charges +λ and -λ are placed with a separation distance R in free space. The net electric field exactly mid way between the two line charges is
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 49
Which of the following represents the electric field lines due to a combination of two negative charges?
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 50
Figure shows the electric field lines around three point charges A, B and C. Which of the following charges is/are positive?
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 51
A circuit containing a 80 mH inductor and a 60 μF capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. Obtain the current amplitude and RMS values.
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 52
A 12 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the capacitor?
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12th Gujarat Board
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Physics Crash Course (Based on Revised Syllabus - 2023)>Chapter 15 - Sample Paper>Exercise>Q 53
A 100 Ω resistor is connected to 220 V, 50 Hz ac supply, what is the net power consumed over a full cycle?