Question Answers
Sahay Sir > Question Answers
Which of the following statements about hydrogen spectrum are correct ? (1) All the lines of Lyman series lie in ultraviolet region. (2) All the lines in Balmer series lie in visible region.
16
Oct
Which of the following statements about hydrogen spectrum are correct ? (1) All the lines of Lyman series lie in ultraviolet region. (2) All the lines in Balmer series lie in visible region. Which of the following statements about hydrogen spectrum are correct ? (1) All the lines of Lyman series lie in ultraviolet region. [...]
Consider six wires coming into or out of the page, all with the same current. Rank the line integral of the magnetic field ( from most positive to most negative ) taken counterclockwise around each looop shown.
16
Oct
Consider six wires coming into or out of the page, all with the same current. Rank the line integral of the magnetic field ( from most positive to most negative ) taken counterclockwise around each looop shown. all with the same current. Rank the line integral of the magnetic field ( from most positive to [...]
Which of the following statements are correct for an X-ray tube ? (1) On increasing potential difference between the filament and target, photon flux of X-rays increases. (2) On increasing
16
Oct
Which of the following statements are correct for an X-ray tube ? (1) On increasing potential difference between the filament and target, photon flux of X-rays increases. (2) On increasing photon flux of X-rays increases. (2) On increasing Which of the following statements are correct for an X-ray tube ? (1) On increasing potential difference [...]
Let lemda alpha, lemda beta, and lemda’ alpha denote the wavelength of the X-rays of the K alpha, K beta, and L alpha lines in the characteristics X-rays for a metal. Then,
16
Oct
Let lemda alpha, lemda beta, and lemda’ alpha denote the wavelength of the X-rays of the K alpha, K beta, and L alpha lines in the characteristics X-rays for a metal. Then, and L alpha lines in the characteristics X-rays for a metal. Then and lemda' alpha denote the wavelength of the X-rays of the [...]
The resistance of three parts of a circular loop are shown ion figure. The magnetic field at the centre O is ( current enters at A and leaves at B and C as shown )
16
Oct
The resistance of three parts of a circular loop are shown ion figure. The magnetic field at the centre O is ( current enters at A and leaves at B and C as shown ) The resistance of three parts of a circular loop are shown ion figure. The magnetic field at the centre O [...]
Whenever a hydrogen atom emits a photon in the Balmer series, (1) it may emit another photon in the Balmer series (2) it must emit another photon in the Lyman series
16
Oct
Whenever a hydrogen atom emits a photon in the Balmer series, (1) it may emit another photon in the Balmer series (2) it must emit another photon in the Lyman series (1) it may emit another photon in the Balmer series (2) it must emit another photon in the Lyman series Whenever a hydrogen atom [...]
According to Bohr’s theory of hydrogen atom, for the electron in the nth allowed orbit
16
Oct
According to Bohr’s theory of hydrogen atom, for the electron in the nth allowed orbit According to Bohr's theory of hydrogen atom for the electron in the nth allowed orbit October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If the potential energy of the electron in the first allowed orbit in hydrogen atom is E, its
16
Oct
If the potential energy of the electron in the first allowed orbit in hydrogen atom is E, its If the potential energy of the electron in the first allowed orbit in hydrogen atom is E its October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been accelerated from rest through a potential difference of 12.75 V. In the emission spectrum
16
Oct
A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been accelerated from rest through a potential difference of 12.75 V. In the emission spectrum A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been accelerated from rest through a potential difference of 12.75 V. In [...]
Continuous spectrum is produced by (1) incandescent electric bulb (2) Sun (3) hydrogen molecules (4) sodium vapor lamp
16
Oct
Continuous spectrum is produced by (1) incandescent electric bulb (2) Sun (3) hydrogen molecules (4) sodium vapor lamp Continuous spectrum is produced by (1) incandescent electric bulb (2) Sun (3) hydrogen molecules (4) sodium vapor lamp October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,