Contribute & Test Your Skills
- Unit, Dimension & Measurement
- Motion In One Dimension
- Thermodynamics
- Work, Energy & Power
- Rotational Motion
- Gravitation
- Laws of Motion
- Properties of Solids & Liquids
- Electronic Devices
- Kinetic Theory of Gases
- Wave Motion
- Communication Systems
- Current Electricity & Heating Effect
- Magnetic Effects of Current & Magnetism
- Electromagnetic Induction & Alternating Currents
- Electromagnetic Waves
- Optics Photometry
- Transmission of Heat
- Electrostatics
- Atomic Structure
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Circular Motion
- Projectile Motion
- Friction
- Properties of Bulk Matter
- Surface Tension
- Simple Harmonic Motion
- Capacitor
- Alternating Current
- Electron, Photon & X-Ray
- Nuclear Physics
- Valve Electronics
- Optical Instrument
- Reflection of Light
- Refraction of Light
- Wave Optics
- Mathematics In Physics
Popular Questions
- The de-Broglie wavelength of an electron is the same as that of a 50 keV X-ray photon. The ratio of the energy of the photon to th..
- The momentum of a photon of energy 1 MeV in kg -ms^-1 , will be
- An electron of mass me and a proton of mass mp are moving with the same speed. The ratio of their de-Broglie wavelength Ae / Ap is
- Find the de-Broglie wavelength for a 100 g bullet moving at 900 ms^-1.
- The de-Broglie wavelength associated with a particle moving with momentum (p) and mass (m) is
- The resistance of a discharge tube is
- What is the de-Broglie wavelength of electron having energy 10 ke V ?
- A photon and an electron have equal energy E
- Which of the following is not the property of the photons?
- What is the de-Broglie wavelength of the electron accelerated through a potential difference of 100 V?
- An electron is accelerated through a potential difference of V volt The speed of electrons will be
- Cathode rays enter a magnetic field making oblique angle with the lines of magnetic induction. What will be the nature of the path..
- If a, B and Y rays carry same momentum, which has the longest wavelength ?
- The kinetic energy of an electron gets tripled, then the de-Broglie wavelength associated with it changes by a factor
- In Davisson-Germer experiment, maximum intensity is observed at
- If the kinetic energy of a free electron doubles, its de-Broglie wavelength changes by the factor
- The kinetic energy of an electron gets tripled, then the de-Broglie wavelength associated with it changes by a factor
- The de-Broglie wavelength of an electron in the ground state of the hydrogen atom is
- The ratio of the de-Broglie wavelength of an a-particle and a proton of same kinetic energy is
- The linear momentum of an electron, initially at rest, accelerated through a potential difference of 100 V is
- JJ Thomsons experimentally confirmed the existence of matter waves by the phenomenon
- The resistance of a discharge tube is
- If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the electron is
