Q16- A person goes to an eye doctor and the eye doctor prescribes glasses with a focal length of -0.5 m. If people who do not need glasses have a near point of 0.25 m and a far point at infinity, what can we say about the person who has received the prescription? The person has a near point of 0.5 m The person has a far point of 0.67 m The person has a far point of 0.5 m The person has a near point of 0.67 m 000 о

Q: Question 8 If an electron is emitted from a photoelectric surface of a photoelectric cell with…

A: Given kinetic energy of emitted electron is Kmax=8.5 eV

Q: The cube in the figure (Figure 1) contains no net charge. The electric field is constant over each…

A: Given data:  The cube contains no net charge Electric field is constant over each face of the cube…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 18. 4 Ω 12 V 1₁ 12 Ω |24 V 13 www 8Ω.

A:

Q: 1. You want to travel into the future. If your space ship can go at a speed of 2.00 x 10² m/s, how…

A: How long would you have to be gone to return to an Earth five years into the future. Given, speed of…

Q: This time you put a nucleus with 8 protons on the x-axis at x = 3.0 Angstroms. There will be a place…

A: Given that: Q=+8e at x=3 Angstroms

Q: A 0.4 C charge and a 0.3 charge exert a force of 55 N on each other. How far apart are the charges?

A: (1) Given: Charges q1=0.4 C, q2=0.3 C, Force between the charges F=55 N. Required: Distance between…

Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: 15. Given the circuit below, find the following. 11 12 13 24 V RE R2 R3 10 0 20 N 30 n Rr= I =. V =…

A: Voltage of the circuit is V = 24 V Magnitude of resistance 1 is R1 = 10 ohms Magnitude of resistance…

Q: 3. A basketball is thrown straight up at 25.3 m/s. a) What is the maximum height the basketball will…

A: Given:-  The initial velocity of the ball by which it has been thrown straight up u = 25.3 m/s…

Q: In #13, what is a kcal/mol in electron volts? А. 1.00 eV В. 0.211 eV С. 0.0434 eV С. 0.00813 eV

A:

Q: Magnetically speaking, the North Pole of the Earth is A) a magnetic south pole B) a magnetic east…

A: Given There are four options are given and we have to choose the correct option for the North Pole…

Q: 5. • A concave spherical mirror has a radius of curvature of 10.0 cm. Calculate the location and…

A:

Q: s)A standing wave pattern on a string is described by y = 0.06 (sin7x) (соs60nt) where x and y are…

A: Note :“Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: Profjohn walks out of the studio to pick up the newspaper and travels 3.90 meters in the…

A: Given data:  Displacement in x-direction (x) = 3.90 m Displacement in y-direction (y) = -4.00 m…

Q: What is the estimated VOLUME expansion coefficient, B f.

A:

Q: 15. There are 750 registered voters in one precinct. In a primary election, 64 out of 100 voters…

A: so given that only 64 out of a hundred voter actually voted so the voting in percentage is  64% ( 1%…

Q: If a 0.3 Tesla magnet moves into a coil with an cross sectional area of 0.20 in 0.4 seconds and…

A:

Q: 3. A particle with mass m and charge q=+1.6× 10C has a speed of v-4.5x10' m/s at point A. It enters…

A: As given in figure the diameter of the semicircle is d=50cm=0.5m Therefore its radius is r=d/2=0.25m…

Q: origin. The grid spacing is 1 Angstrom per small square. Now place an atomic nucleus with 7 protons…

A: Given,The atomic nucleus having 7 protonsso, qp = 7×(1.6×10-19) CAt origin,qe=-1.6×10-19 Cxf =…

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute…

A: GIVEN: Sky diver and parachute system

Q: i. а, (0)

A: Given: The given position vector is r→t=sinti⏜+tj⏜+costk⏜ Introduction: The rate of change of…

Q: 14. Lee pushed horizontally with a 80-N force on a 20-kg mass 10 meters across a floor. Calculate to…

A: 14. Given Horizontal force on Lee F = 80 N Mass of Lee m = 20 kg Distance travelled across a floor.…

Q: 6 In the diagram shown, m1 = m2 = 30° and B = 45°. 25kg. Set a = m1 F. a. Calculate the tension, F1,…

A: Given: the value of mass: m1=m2=25  kg The value of angle: α=30° and β=45°   It is required to…

Q: Your friend insists that he is "listening to" a radio wave. State the difference between a sound and…

A: A physical wave can be defined as a disturbance in space which is propagating. Periodic waves can be…

Q: D. The Earth (m=5.98x 1024 kg) moving at an orbital speed equal to 2.98x10 m/s.

A: Part (D): Given: The mass of the earth is 5.98x1024 kg. The orbital speed of the earth is 2.98x108…

Q: 15. The third floor of a house is 8.0 meters above street level. How much work is needed to move a…

A: Potential energy : It is the energy held by an object because of its position relative to other…

Q: Place a marker at the tip of (each) intermediate images' arrow. Place the "Final image" marker at…

A: We need to draw the ray diagram for the given combination of lens.

Q: A gymnast of mass 62.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the…

A: Given, The mass of the gymnast, m=62 Kg Acceleration due to gravity, g=9.81 m/s2

Q: A diffraction grating having 180 lines/mm is illuminated by light having 2 wavelengths 400 and 500…

A: Answer: Given, N= 180 lines/mm Wavelength,  λ1 = 400nm  λ2 = 500nm We know that slit separation, d…