Month: December 2021

Important Questions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter

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Important Questions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Class 12 Important Questions Dual Nature of Radiation and Matter Class 12 Important Questions Very Short Answer Type Question 1.An electron and alpha particle have the same de-Broglie wavelength associated with them. How are their kinetic energies related to each other? …

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Important Questions for Class 12 Physics Chapter 10 Wave Optics

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Important Questions for Class 12 Physics Chapter 10 Wave Optics Class 12 Important Questions Wave Optics Class 12 Important Questions Very Short Answer Type Question 1.How does the fringe width of interference fringes change, when the whole apparatus of Young’s experiment is kept in a liquid of refractive index 1.3? (Delhi 2008)Answer:Fringe width becomes yL times …

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Important Questions for Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Class 12

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Important Questions for Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Class 12 Important Questions Ray Optics and Optical Instruments Class 12 Important Questions Very Short Answer Type Question 1.Aglasslensof refractive index 1.5 is placed in a trough of liquid. What must be the refractive index of the liquid in order to mark …

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Important Questions for Class 12 Physics Chapter 8 Electromagnetic Waves Class 12

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Important Questions for Class 12 Physics Chapter 8 Electromagnetic Waves Class 12 Important Questions Electromagnetic Waves Class 12 Important Questions Very Short Answer Type Question 1.Name the part of the electromagnetic spectrum of wavelength 10-2 m and mention its one application. (Delhi 2008)Answer:Name of the part: MicrowaveApplications : It is used in radar communication. It is …

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