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Interference fringes are produced on a screen by using two light sources of intensities ‘I’ and ‘9I’. The phase difference between the beams is π2 at point P and π at point Q on the screen. The difference between the resultant intensities at point P and Q is:
11
Nov
Interference fringes are produced on a screen by using two light sources of intensities ‘I’ and ‘9I’. The phase difference between the beams is π2 at point P and π at point Q on the screen. The difference between the resultant intensities at point P and Q is: In Young's double slit experiment the source [...]
B has a smaller first ionization enthalpy than Be. Consider the following statements (I) It is easier to remove 2p electron than 2s electron. (II) 2p electron of B is more shielded from the
11
Nov
B has a smaller first ionization enthalpy than Be. Consider the following statements (I) It is easier to remove 2p electron than 2s electron. (II) 2p electron of B is more shielded from the B has a smaller first ionization enthalpy than Be. Consider the following statements (I) It is easier to remove 2p electron [...]
In Young’s double slit experiment, the source is white light. One silt is covered with red filter and other with blue filter. There shall be
11
Nov
In Young’s double slit experiment, the source is white light. One silt is covered with red filter and other with blue filter. There shall be In Young's double slit experiment the source is white light. One silt is covered with red filter and other with blue filter. There shall be November 11, 2020 Category: Chapter [...]
The increasing order of the atomic radii of the following elements is (a) C (b) O (c) F (d) Cl (e) Br
11
Nov
The increasing order of the atomic radii of the following elements is (a) C (b) O (c) F (d) Cl (e) Br The increasing order of the atomic radii of the following elements is (a) C (b) O (c) F (d) Cl (e) Br November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Consider the circuit shown in the figure. If the switch is closed at t = 0 , then calculate the values of I, I1 and I2 at ( a) t = 0 (b) t = infinity
11
Nov
Consider the circuit shown in the figure. If the switch is closed at t = 0 , then calculate the values of I, I1 and I2 at ( a) t = 0 (b) t = infinity Consider the circuit shown in the figure. If the switch is closed at t = 0 I1 and I2 [...]
In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 A^o . The angular position of the first dark fringe is
11
Nov
In Young’s double slit expt. the distance between two sources is 0.1 mm. The distance of the screen from the source is 20 cm. Wavelength of light used is 5460 A^o . The angular position of the first dark fringe is In Young's double slit experiment the source is white light. One silt is covered [...]
In a certain double slit experimental arrangement interference fringes of width 1.0mm each are observed when light of wavelength 5000Å is used. Keeping the set up unaltered, if the source is replaced by another source of wavelength 6000Å, the fringe width will be
11
Nov
In a certain double slit experimental arrangement interference fringes of width 1.0mm each are observed when light of wavelength 5000Å is used. Keeping the set up unaltered, if the source is replaced by another source of wavelength 6000Å, the fringe width will be if the source is replaced by another source of wavelength 6000Å In [...]
The third ionization enthalpy is minimum for (a) Fe (b) Ni (c) Co (d) Mn
11
Nov
The third ionization enthalpy is minimum for (a) Fe (b) Ni (c) Co (d) Mn The third ionization enthalpy is minimum for (a) Fe (b) Ni (c) Co (d) Mn November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively are (a) 496, 737, 577, 786 (b) 786, 737,577, 496
11
Nov
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively are (a) 496, 737, 577, 786 (b) 786, 737,577, 496 496 577 737 786 (b) 786 Al and Si respectively are (a) 496 Mg The first ionization energy (in kJ/mol) of Na November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM [...]
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496 ,
577 ,
737 ,
786 (b) 786 ,
Al and Si respectively are (a) 496 ,
Mg ,
The first ionization energy (in kJ/mol) of Na ,
With in each pair of elements of F and Cl, S and Se, and Li and Na, respectively, the elements that release more energy upon an electron gain are (a) F, Se and Na
11
Nov
With in each pair of elements of F and Cl, S and Se, and Li and Na, respectively, the elements that release more energy upon an electron gain are (a) F, Se and Na and Li and Na respectively S and Se Se and Na the elements that release more energy upon an electron gain [...]