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4. The taxi fare in a city is as follows: For the first kilometer, the fare is ₹8 and for the subsequent distance it is ₹5 per km. Taking the distance covered as x km and total fare as ₹ y, write a linear equation for this information, and draw its graph. 4. The taxi [...]

The energy levels of an atom are as shown below. Which of them will result in the transition of a photon of wavelength 275 nm? The energy levels of an atom are as shown below. Which of them will result in the transition of a photon of wavelength 275 nm? October 15, 2020 Category: Uncategorised [...]

The electron in a hydrogen atom, initially in a state of quantum number n1, makes a transition to a state whose excitation energy with respect to the ground state is 10.2 eV. If the wavelength initially in a state of quantum number n1 makes a transition to a state whose excitation energy with respect to [...]

Find the frequency of revolution of the electron in the first stationary orbit of H-atom. Find the frequency of revolution of the electron in the first stationary orbit of H-atom. October 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The first excitation potential of sodium atom is 2,1 V. Calculate the longest wavelength emitted by this atom. 1 V. Calculate the longest wavelength emitted by this atom. The first excitation potential of sodium atom is 2 October 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

3. If the point (3, 4) lies on the graph of the equation 3y = ax+7, find the value of a. 3. If the point (3 4) lies on the graph of the equation 3y = ax+7 find the value of A. October 15, 2020 Category: Chapter 4 - Linear Equations in Two Variables , [...]

A photon of energy 12.09 eV is absorbed by an electron in ground state of a hydrogen atoms. What will be the energy level of electron? The energy of electron in the ground state of hydrogen A photon of energy 12.09 eV is absorbed by an electron in ground state of a hydrogen atoms. What [...]

2. Give the equations of two lines passing through (2, 14). How many more such lines are there, and why? 14). How many more such lines are there 2. Give the equations of two lines passing through (2 and why? October 15, 2020 Category: Chapter 4 - Linear Equations in Two Variables , Maths , [...]

1. Draw the graph of each of the following linear equations in two variables: (iv) 3 = 2x+y 1. Draw the graph of each of the following linear equations in two variables: (iv) 3 = 2x+y October 15, 2020 Category: Chapter 4 - Linear Equations in Two Variables , Maths , NCERT Class 9 ,

1. Draw the graph of each of the following linear equations in two variables: (iii) y=3x 1. Draw the graph of each of the following linear equations in two variables: (iii) y=3x October 15, 2020 Category: Chapter 4 - Linear Equations in Two Variables , Maths , NCERT Class 9 ,