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One line in a helium spectrum is bright yellow and consists of the wavelength 596.2 nm. Determine the difference in energy (in eV) among the two helium levels which generate this line?
A ground observer evaluates the period of a pendulum moving as a part of an inertial frame of reference to be 2.30 s as the inertial frame moves through at a velocity of 0.600 c. Determine what woul
Cycling rate was 4 times walking rate. Time spent cycling and walking was 5 h. Determine rate at which cyclist was riding.
The period of an oscillating weight on a spring in an inertial frame of reference is around 0.80s. Determine what would be its speed if it were to move by an observer who evaluates its period as 1.
A proton consists of 1836 times the rest mass of an electron. Determine at what speed will an electron encompass the similar kinetic energy as a proton moving at 0.0250c?
If a proton encounters an antiproton, then the two particles annihilate each other, generating two gamma rays. Supposing the particles were at rest when they annihilated, determine the energy of eac
Nine sixteenths of the girls thought that saltations was salubrious. If other 700 girls were undecided, how many girls had made the minds concerning the topic?
If you have a solid and a liquid at room temperature, then what conclusion can you draw regarding the relative strengths of their inter-atomic forces?
Compute the mass density of a right circular cylinder having radius 15.5 cm and height 1.50 m. The cylinder consists of a mass of 83.5 kg. The volume of a right circular cylinder is provided by V =
A certain metal rod which is around 7.00 m long and 0.45 cm2 in cross-sectional area is found to stretch 0.50 cm beneath a tension of around 16,000 N. Determine the Young's modulus (elastic modulus
A solenoid is wound with a single layer of insulated copper wire having diameter 2.5mm and is around 4.0 cm in diameter and 2.0 m long. i) Determine how many turns are on the solenoid?
When the tennis ball and racket are in contact for 10 ms, find out the average force which the racket applies on the ball?
A magnifying glass is a single convex lens having a focal point length of f= + 14 cm. Determine the angular magnification if this lens makes a (virtual) image at - 8 (i) Determine how far from the o
If violet light of wavelength 415 nm falls on a single slit, it makes a central diffraction peak which is 9.10 cm broad on a screen which is 2.45 m away.
A battery of 22 V is joined to a parallel-plate capacitor having a plate area of 0.23 m2 and a plate separation of around 4.3 mm. (i) Determine the resultant charge on the capacitor?
The suns power output is around 3.85 x 10^26 Watts. Suppose that Earth is at a distance of 1.5 x 10^11 meters from the Sun, find out how many Watts per square meter falls on the earth.
In a Young's double slit experiment, a fifth order maximum takes place at an angle of 1.422°. When the screen is around 3.90 m from the slits and the slit separation is 0.135 mm, determine what
AFM radio station transmits at frequency 980 MHz and consists of a power output 5.8 Megawatts. (i) Determine the wavelength of the EM wave. A house is around 3.2 km away.
The two metal spheres having charges of +4.0 x 10-6 coulomb and +2.0 x 10-5 coulomb, correspondingly are brought into contact and then separated. After separation, the charge on each sphere is________
In a Young's experiment, the distance among slits is around 2 mm and the distance from the slits to the screen is around 6 m. Determine the distance which the top slit should be moved up in order to
Find out the difference in path lengths from the two slits to the position of a fifth order bright fringe on the screen?
Flying against jetstream, the jet travels 5250km in 7 hours. Flying with jetstream, same jet travels 4920km in 4 hours. Find speed of jet in still air, and speed of jetstream?
If you look at yourself in a shiny Christmas tree ball having a diameter of 7.0 cm when your face is 24.0 cm away from it, then where is your image? (Your answer must be positive when the image is i
A crown glass having n=1.52 biconvex lenses of radii R1= 24 cm and R2= -44 cm consists of a power of around:
The zoom of a camera lens covers the focal-length range 46 mm -148 mm. You point the camera at a distant object and photograph it first at 46 mm and then with the camera zoomed out to 148 mm. Compar