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Solve the all question given below:
Question I: If the energy of the H2 covalent bond is 4.44 eV, what wavelength of light is needed to break the molecule apart?
Question II: In what part of the electromagnetic spectrum does the light lie?
Please explain your answer. Thanks.
A 26.2-kg dog is running northward at 3.24 m/s, while a 5.30-kg cat is running eastward at 2.49 m/s. Find the direction and magnitude of the owner's velocity
An old-style TV set places 50 kV across two plates of a parallel plate capacitor. An electron is released very close to one plate, find the speed of the electron when it exits the hole in the plate
In order to overcome a surface tension of a liquid, a force of1.32x10-2N is required to lift a wire ring ofcircumference 12.0cm. What is the surface tension of the liquid?
A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, What is the angle of the remaining piece
An electron is traveling in a vacuum tube of 1.4 x 107 m/s in a horizontal direction toward the south. What is the magnitude of the magnetic (Lorentz) force on the electron
At t=0 , a wheel rotating about a fixed axis at a constant angular acceleration of -0.40rad/s2 has an angular velocity of 1.5rad/s and an angular position of 2.3 rad. Determine the angular position of the wheel at t= 2.0second
a glass lens nglass 1.52 has a 139 nm thick anti-reflective film nfilm 1.29 on one side. light moving through the air
If the atom could be enlarged to the size of a football field, and the electrons were represented by gnats, how large would the nucleus be
A solid object of density 660 kg/m3 is placed in water. What will be the buoyant force on the object
If it takes 2.25 minutes to heat water in a 250 gm copper kettle from 20 °C to 85 °C, using a 700 W burner, how much water must be in the kettle
For silver electrode (hint: click just below the word "cesium"), what is the highest energy of an electron ejected by light of 250 nm.
A star in a distant galaxy is located at a distance of 20 kpc from the center of that galaxy. What is the total mass of the dark matter in this galaxy
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