Physics
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How much is Nobel physics prize
How much is the Nobel Prize in PhysicsA: 10 million Swedish kronor In addition, the prize of this year's Nobel Prize in Physics is 10 million Swedish kronor, which is shared equally by the winners....
Date: 2022-11-06 Physics -
What is the highest prize in physics
Ranking of International Physics AwardsThe 2013 National Highest Science and Technology Award was announced. Zhang Cunhao and Cheng Kaijia won the awards. This morning, the National Science and Techno...
Date: 2022-11-05 Physics -
What is Newton's second law inversely proportional to the mass of an object
What is the main content of Newton's second lawNewton's second law: the acceleration of an object is directly proportional to the external force F on the object and inversely proportional to the...
Date: 2022-06-23 Physics -
What is Newton's third law
What is the content of Newton's third lawNewton's second law: the acceleration of an object is directly proportional to the external force and inversely proportional to its own mass; F=ma reflec...
Date: 2022-06-23 Physics -
What is Newton's first law
What is Newton's first lawNewton's three laws of motion are the general terms of Newton first law of motion, Newton second law of motion and Newton third law of motion. Newton's first law: al...
Date: 2022-06-23 Physics -
What is a free falling body
What is free fallObjects that fall only under the action of gravity are called "free falling bodies". For example, an object falling from a static state under the action of the earth's gravit...
Date: 2022-06-23 Physics -
Linear motion with uniform speed change at any equal time interval
Definition of uniform velocity linear motionIn any equal time interval, the motion with equal change of velocity is a linear motion with uniform speed changeGive an example of what is uniform speed li...
Date: 2022-06-23 Physics -
Nobel Prize winner in Physics announcement of the 2020 Nobel Prize in Physics
Who are the winners of the 2020 Nobel Prize in physicsEvery year when the Nobel Prize is announced, countless people will pay attention to it. These Nobel laureates have made great progress in the dev...
Date: 2022-06-23 Physics -
What is the maximum distance of microwave communication? Coast submarine communication; 2
Range of microwave, short wave, medium wave and long waveUltra long wave (very low frequency) VLF 100000-10000m 3-30khz 1 Coastal submarine communication; 2. maritime navigation. Long wave (low freque...
Date: 2022-06-23 Physics -
Who are the physicists Danish physicists
Who are the physicistsNiels Henrik David Bohr (October 7, 1885 to November 18, 1962), Danish physicist. By introducing quantization conditions, he proposed Bohr model to explain hydrogen atomic spectr...
Date: 2022-06-23 Physics -
Astrophysics what Astronomy includes astrometry
Astrophysics and AstronomyAstrophysics is a branch of astronomy, which mainly studies the evolution of celestial bodies. Astronomy includes astrometry, astromechanics, astrophysics and radio astronomy...
Date: 2022-06-23 Physics -
What is the maximum short wave communication distance? composed of power supply and terminal equipment
How far can a short wave radio station transmitRadio communication equipment with working wavelength of 100 ~ 10m (frequency of 3 ~ 30 MHz) for short wave radio. It is usually composed of transmitter,...
Date: 2022-06-23 Physics -
Relationship between voltage, resistance and current
What is the relationship among resistance, voltage and currentVoltage = current × Resistance. Using Ohm's Law: voltage = current × Resistance. At AC, voltage = current × Impedance. Here, the vol...
Date: 2022-06-23 Physics -
Forces and reactions clarified in classical mechanics
Principle of action and reactionPrinciple of force and reaction force: according to newton&\39; s third law, it is clarified in classical mechanics that when two objects interact, the forces applie...
Date: 2022-06-23 Physics -
What is Faraday's law of electromagnetic induction
Hurry!! Faraday's law of electromagnetic induction in College PhysicsFaraday's law of electromagnetic induction can be expressed as follows: when the magnetic flux passing through the area surro...
Date: 2022-06-23 Physics -
What is the principle of the atomic bomb
What is the manufacturing principle of the atomic bombSome also put light elements with induced radiation inside weapons to increase radiation intensity and expand pollution, or enhance neutron radiat...
Date: 2022-06-23 Physics -
The speed of the space station which can be visited by multiple astronauts
What is the flight speed of the space station7.9km/s space station is also called space station. It is a manned spacecraft that operates in low earth orbit for a long time, can be visited by many astr...
Date: 2022-06-23 Physics -
Conversion between acceleration and gravity relationship between acceleration and gravity
Relationship between gravitational acceleration and gravityThe so-called gravity is provided by a part of the universal gravitation between the object and the earth. The size of universal gravitation...
Date: 2022-06-23 Physics -
The speed required to launch the rocket the first cosmic speed shall be reached: 7
What speed does the rocket need to reach to fly out of the earthIt is required to reach the first cosmic speed: 7.9 km / s. The launch speed that a spacecraft must have when it makes a circular motion...
Date: 2022-06-23 Physics -
What is the principle of magnetic levitation what is a magnetic levitation train
What is the magnetic levitation train and what is its working principleElectromagnetic levitation train (attraction) the electromagnetic levitation train uses electricity to make electromagnets produc...
Date: 2022-06-23 Physics -
What is wave particle duality? what is wave particle duality of light
What is wave particle duality of lightWave particle duality of light means that light has both wave characteristics and particle characteristics. Scientists have found that light can both travel forwa...
Date: 2022-06-23 Physics