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The focal lengths of the objective and the eyepiece of the telescope are 225 cm and 5 cm respectively. The magnifying power of the telescope will be
09
Nov
The focal lengths of the objective and the eyepiece of the telescope are 225 cm and 5 cm respectively. The magnifying power of the telescope will be The focal lengths of the objective and the eyepiece of the telescope are 225 cm and 5 cm respectively. The magnifying power of the telescope will be November [...]
The focal length of the objective and of the eye-piece of a compound microscope are fo and fe respectively. If L is the tube length and D, the least distance of distinct vision, then its angular magnification, when the image is formed at infinity is
09
Nov
The focal length of the objective and of the eye-piece of a compound microscope are fo and fe respectively. If L is the tube length and D, the least distance of distinct vision, then its angular magnification, when the image is formed at infinity is The focal length of the objective and of the eye-piece [...]
Assertion (A) : Each electron in an atom has two spin quantum number. Reason (R ) : Spin quantum numbers are obtained by solving schrodinger wave equation.
09
Nov
Assertion (A) : Each electron in an atom has two spin quantum number. Reason (R ) : Spin quantum numbers are obtained by solving schrodinger wave equation. Assertion (A) : Each electron in an atom has two spin quantum number. Reason (R ) : Spin quantum numbers are obtained by solving schrodinger wave equation. November [...]
A telescope consists of two thin lenses of focal lengths 0.3 m and 3 cm respectively. It is focused on moon which subtends on angle of 0.5^o at the objective. Then, the angle subtended at the eye by the final image will be:
09
Nov
A telescope consists of two thin lenses of focal lengths 0.3 m and 3 cm respectively. It is focused on moon which subtends on angle of 0.5^o at the objective. Then, the angle subtended at the eye by the final image will be: A telescope consists of two thin lenses of focal lengths 0.3 m [...]
When sunlight is scattered by atmospheric atoms and molecules the amount of scattering of light of wavelength 440 nm is A. Then, the amount of scattering of light of wavelength 660 nm is approximately
09
Nov
When sunlight is scattered by atmospheric atoms and molecules the amount of scattering of light of wavelength 440 nm is A. Then, the amount of scattering of light of wavelength 660 nm is approximately the amount of scattering of light of wavelength 660 nm is approximately When sunlight is scattered by atmospheric atoms and molecules [...]
The successive ionisation energy values for an element X are given below A. 1st ionisation energy = 410 kJ/mol B. 2nd ionisation energy 820 kJ /mol
09
Nov
The successive ionisation energy values for an element X are given below A. 1st ionisation energy = 410 kJ/mol B. 2nd ionisation energy 820 kJ /mol The successive ionisation energy values for an element X are given below A. 1st ionisation energy = 410 kJ/mol B. 2nd ionisation energy 820 kJ /mol November 9, 2020 [...]
In a given shell, the order of screening effect is (a) s > p > d > f (b) f > d > p> s (c) P < d < s f p
09
Nov
In a given shell, the order of screening effect is (a) s > p > d > f (b) f > d > p> s (c) P < d < s f p In a given shell the order of screening effect is (a) s > p > d > f (b) f > d [...]
The increasing order of the first ionisation enthalpies of the elements B, P, S and F (lowest first) is
09
Nov
The increasing order of the first ionisation enthalpies of the elements B, P, S and F (lowest first) is p S and F (lowest first) is The increasing order of the first ionisation enthalpies of the elements B November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Ionisation energy is highest for (a) Noble gases (b) Platinum metals (c) Transition element (d) Inner-transition elements
09
Nov
Ionisation energy is highest for (a) Noble gases (b) Platinum metals (c) Transition element (d) Inner-transition elements Ionisation energy is highest for (a) Noble gases (b) Platinum metals (c) Transition element (d) Inner-transition elements November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are 46^o , 44^o and 43^o respectively. The arrangement will separate :
09
Nov
Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are 46^o , 44^o and 43^o respectively. The arrangement will separate : 44^o and 43^o respectively. The arrangement will separate : Figure shows [...]