Physics
The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length wire.
26
Nov
The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length wire. The overhead power line is considered as an infinite length wire so use the formula to find the magnetic field at a point due to infinite length [...]
A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil ?
26
Nov
A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil ? A circular coil of wire consisting of 100 turns each of radius 8.0 cm carries a current of 0.40 [...]
A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire?
26
Nov
A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire? A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire? November 26, 2021 [...]
A radioactive isotope has a half – life of T years. How long will it take the activity to reduce to
13
Sep
A radioactive isotope has a half – life of T years. How long will it take the activity to reduce to A radioactive isotope has a half - life of T years. How long will it take the activity to reduce to September 13, 2021 Category: Chapter 13 - Nuclei , NCERT Exemplar Class 12 [...]
Obtain the binding energy of the nuclei 56 26 F e and 209 83 B i 2656Fe and 83209Bi in units of MeV from the following data: m ( 56 26 F e ) = 55.934939 u m(2656Fe) = 55.934939 u m ( 209 83 B i ) = 208.980388 u
13
Sep
Obtain the binding energy of the nuclei 56 26 F e and 209 83 B i 2656Fe and 83209Bi in units of MeV from the following data: m ( 56 26 F e ) = 55.934939 u m(2656Fe) = 55.934939 u m ( 209 83 B i ) = 208.980388 u (a) Two stable isotopes [...]
Obtain the binding energy (in MeV) of a nitrogen nucleus ,(147N) given m(147N) =14.00307 u
13
Sep
Obtain the binding energy (in MeV) of a nitrogen nucleus ,(147N) given m(147N) =14.00307 u (147N) given m(147N) =14.00307 u Obtain the binding energy (in MeV) of a nitrogen nucleus September 13, 2021 Category: Chapter 13 - Nuclei , NCERT Exemplar Class 12 , Physics ,
The three stable isotopes of neon: 2010Ne 2110Ne and 2210Ne have respective abundances of 90.51%, 0.27% and 9.22%. The atomic masses of the three isotopes are 19.99 u, 20.99 u and 21.99 u, respectively. Obtain the average atomic mass of neon.
13
Sep
The three stable isotopes of neon: 2010Ne 2110Ne and 2210Ne have respective abundances of 90.51%, 0.27% and 9.22%. The atomic masses of the three isotopes are 19.99 u, 20.99 u and 21.99 u, respectively. Obtain the average atomic mass of neon. 0.27% and 9.22%. The atomic masses of the three isotopes are 19.99 u 20.99 [...]
(a) Two stable isotopes of lithium 63Li and 73Li have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium.
13
Sep
(a) Two stable isotopes of lithium 63Li and 73Li have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium. (a) Two stable isotopes of lithium 63Li and 73Li have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and [...]
Obtain the first Bohr’s radius and the ground state energy of a muonic hydrogen atom [i.e., an atom in which a negatively charged muon (μ−) of mass about 207 me orbits around a proton]
13
Sep
Obtain the first Bohr’s radius and the ground state energy of a muonic hydrogen atom [i.e., an atom in which a negatively charged muon (μ−) of mass about 207 me orbits around a proton] an atom in which a negatively charged muon (μ−) of mass about 207 me orbits around a proton] Obtain the first [...]
The total energy of an electron in the first excited state of hydrogen is about – 3.4 eV.
13
Sep
The total energy of an electron in the first excited state of hydrogen is about – 3.4 eV. The total energy of an electron in the first excited state of hydrogen is about - 3.4 eV. September 13, 2021 Category: Chapter 12 - Atoms , NCERT Exemplar Class 12 , Physics ,