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The element which has a K alpha X-rays line of wavelength 1.8 A is
15
Oct
The element which has a K alpha X-rays line of wavelength 1.8 A is The element which has a K alpha X-rays line of wavelength 1.8 A is October 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The photon radiated from hydrogen corresponding to the second line of Lyman series is absorbed by a hydrogen-like atom X in the second excited state. Then, the hydrogen-like atom
15
Oct
The photon radiated from hydrogen corresponding to the second line of Lyman series is absorbed by a hydrogen-like atom X in the second excited state. Then, the hydrogen-like atom the hydrogen-like atom The photon radiated from hydrogen corresponding to the second line of Lyman series is absorbed by a hydrogen-like atom X in the second [...]
2. ABCD is a quadrilateral in which AD = BC and ∠ DAB = ∠ CBA (see figure). Prove that (i) ∆ABD ≅ ∆BAC (ii) BD = AC (iii) ∠ABD = ∠ BAC
15
Oct
2. ABCD is a quadrilateral in which AD = BC and ∠ DAB = ∠ CBA (see figure). Prove that (i) ∆ABD ≅ ∆BAC (ii) BD = AC (iii) ∠ABD = ∠ BAC 2. ABCD is a quadrilateral in which AD = BC and ∠ DAB = ∠ CBA (see figure). Prove that (i) ∆ABD [...]
One of the lines in the emission spectrum of Li^2+ has the same wavelength as that of the second line of Balmer series in hydrogen spectrum. The electronic transition corresponding
15
Oct
One of the lines in the emission spectrum of Li^2+ has the same wavelength as that of the second line of Balmer series in hydrogen spectrum. The electronic transition corresponding One of the lines in the emission spectrum of Li^2+ has the same wavelength as that of the second line of Balmer series in hydrogen [...]
The wavelength of K alpha X-rays of two metals A and B are 4/1875R and 1/675R, respectively, where R is Rydberg’s constant. The number of elements lying between A and B according
15
Oct
The wavelength of K alpha X-rays of two metals A and B are 4/1875R and 1/675R, respectively, where R is Rydberg’s constant. The number of elements lying between A and B according respectively The wavelength of K alpha X-rays of two metals A and B are 4/1875R and 1/675R where R is Rydberg's constant. The [...]
The voltage applied to an X-ray tube is 18 kV. The maximum mass of photon emitted by the X-ray tube will be
15
Oct
The voltage applied to an X-ray tube is 18 kV. The maximum mass of photon emitted by the X-ray tube will be The voltage applied to an X-ray tube is 18 kV. The maximum mass of photon emitted by the X-ray tube will be October 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
In a hydrogen atom following Bohr’s postulates, the product of linear momentum and angular momentum is proportional to (n) ^x where n is the orbit number. Then x is
15
Oct
In a hydrogen atom following Bohr’s postulates, the product of linear momentum and angular momentum is proportional to (n) ^x where n is the orbit number. Then x is In a hydrogen atom following Bohr's postulates the product of linear momentum and angular momentum is proportional to (n) ^x where n is the orbit number. [...]
In quadrilateral ACBD, AC = AD and AB bisects ∠ A (see figure). Show that ∆ABC ≅ ∆ABD. What can you say about BC and BD?
15
Oct
In quadrilateral ACBD, AC = AD and AB bisects ∠ A (see figure). Show that ∆ABC ≅ ∆ABD. What can you say about BC and BD? AC = AD and AB bisects ∠ A (see figure). Show that ∆ABC ≅ ∆ABD. What can you say about BC and BD? In quadrilateral ACBD October 15, 2020 [...]
Two hydrogen atoms are in excited state with electrons residing in n = 2. The first one is moving toward left and emits a photon of energy E1 toward right. The second one is moving
15
Oct
Two hydrogen atoms are in excited state with electrons residing in n = 2. The first one is moving toward left and emits a photon of energy E1 toward right. The second one is moving Two hydrogen atoms are in excited state with electrons residing in n = 2. The first one is moving toward [...]
Example 8 : In Fig.6.38, the sides AB and AC of ∆ABC are produced to point E and D respectively. If bisectors BO and CO of angle CBE and angle BCD respectively meet at point O, then prove that angle BOC = 90°-1/2angle BAC.
15
Oct
Example 8 : In Fig.6.38, the sides AB and AC of ∆ABC are produced to point E and D respectively. If bisectors BO and CO of angle CBE and angle BCD respectively meet at point O, then prove that angle BOC = 90°-1/2angle BAC. Example 8 : In Fig.6.38 the sides AB and AC of [...]