Question

In the photoelectric effect, explain why the stopping potential depends on the frequency of the light but not on the intensity.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Other

Related Physics Q&A

Find answers to questions asked by students like you.

Q: 2. A long, cylindrical conductor of radius ? has two cylindrical cavities each of diameter ? through...

A: By Ampere circuital law, Wherever we want to find the magnetic field we will do a closed-loop, and ...

Q: When you learn to drive, you discover that you need to let up slightly on the brake pedal as you com...

A: If the brake pedal is not lifted slightly, then the car wheels will stop rolling suddenly.

Q: A nearsighted woman can’t see objects clearly beyond 40.0 cm (her far point). If she has no astigmat...

A: Click to see the answer

Q: Q2/ Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and t...

A: Given,

Q: A sphere of radius R has a uniform volume charge density p. When the sphere rotates as a rigid objec...

A: Given:radius of sphere - R Volume charge density - ρangular speed - ω

Q: (a) A physicist performing a sensitive measurement wants to limit the magnetic force on a moving cha...

A: A) The expression for the magnitude of magnetic force is,

Q: A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic e...

A: The velocity of the body keeps on decreasing when a body is thrown vertically upward.  

Q: Two wires of the same material are connected in series in the circuit as shown. The diameter of X is...

A: Given, Wires x and y in series. Since wires are in series, so current is same in both. Also, number ...

Q: Mark and David are loading identical cement blocks onto David’s pickup truck. Mark lifts his block s...

A: The work done is given as the change in potential energy.                      W =P -  P0 where, P0 ...

Q: An induction stove heats a pot with a coil carrying an alternating current located beneath the pot (...

A: According to Faraday’s law of induction, the effect of self-induction will be on the device itself. ...

Q: Fill in the missing particle. Assume that (a) occurs via the strong interaction while (b) and (c) in...

A: In nuclear reactions, Strangeness is conserved for strong interaction while in weak interaction it i...

Q: A 0.0200-Ω ammeter is placed in series with a 10.00-Ω resistor in a circuit. (a) Draw a circuit diag...

A: NOTE: According to guidelines, I can send solution for first 3 parts. If you need help with other pa...

Q: The velocity of air molecules is about 500ms-1 . But still the smell of scent spreads very slowly. W...

A: The velocity of air molecules is about 500m/s but still the smell of scent spreads very slowly.

Q: An old streetcar rounds a flat corner of radius 9.1 m, at 16 km/h.What angle with the vertical will ...

A: Given:  radius, r = 9.1 m  velocity, v = 16 km/h = 4.44 m/s  

Q: (a) What is the energy in joules of an x-ray photon with wavelength 1.00 × 10−10 m? (b) Convert the ...

A: Click to see the answer

Q: If you are given three different capacitors C1 , C2, C3 , how many different combinations of capacit...

A: Given:   Three capacitors C1, C2 and C3

Q: Static Electricity and Charge: Conservation of Charge• Define electric charge, and describe how the ...

A: Click to see the answer

Q: (a) How much more intense is a sound that has a level 17.0 dB higher than another? (b) If one sound ...

A: The formula for the sound level in decibel is:

Q: What is the ideal speed to take a 100 m radius curve banked at a 20.0° angle?

A: Given: r = 100 m A = 20.0° 

Q: Need help with Exploration 2.1 thanks!

A: Write the given equation of the acceleration (ac) of the cart. From the above equation, it is evide...

Q: A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. Th...

A: Given: T1 = 100 degree C  T2 = 0 degree C  T = 50 degree C  length of copper rod, Lc = 0.15 m  therm...

Q: Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600 V exists ...

A: Given, Distance between plates (d)=5.33mm=5.33x10-3m potential difference = 600 V a) we Know, Ans E...

Q: The Electromagnetic Pump. Magnetic forces acting on conducting fluids provide a convenient means of ...

A: Click to see the answer

Q: The nature of surfaces affects the absorption and the reflection of radiation. Assume that you are g...

A: A good absorber will always be a good emitter.  Absorbvity of dark colours are always higher than li...

Q: Over the elastic range, the deformation of a spring is directly proportional to   a. the spr...

A: According to hooks law, Here F is the applied force. The force applied on the spring is directly pr...

Q: How would you have to adjust the starting height to have the same amount of energy among the Earth, ...

A: Click to see the answer

Q: Consider the diagram below of a series circuit. For each resistor, use arrows to indicate the two lo...

A: Click to see the answer

Q: Show that the thermal resistance of a rectangular enclosure can be expressed as R = Lc /(Ak Nu), whe...

A: Calculate the thermal resistance of the slab using the relation,

Q: Find the direction and magnitude of the force that each wire experiences in  figure (a) by, using ve...

A: Click to see the answer

Q: How does the average speed of light in glass compare with its speed in a vacuum?

A: Click to see the answer

Q: If you push on your textbook so that it slides across the table at a constant velocity,   a....

A: When a person pushes an object it accelerates the object due to force. Force is the product of mass ...

Q: Mount Everest, at 29,028 feet, is the tallest mountain onthe Earth. What is its height in kilometers...

A:  

Q: A very myopic man has a far point of 20.0 cm. Whatpower contact lens (when on the eye) will correct ...

A: Click to see the answer

Q: The capacitor in  23.55(b) will filter high-frequency signals by shorting them to earth/ground. (a) ...

A: a) write the formula for the capacitive reactance is, Therefore,

Q: Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands...

A: The expression for the resistance of the wire,

Q: The potential difference across a charged capacitor is 16 V. The capacitor discharges through a fixe...

A: Click to see the answer

Q: A proton is placed at rest in an electric field of 510 N/C. Calculate the speed of the electron 47.0...

A: Given:  E = 510 N/C  t = 47 ns

Q: A geosynchronous Earth satellite is one that has an orbital period of precisely 1 day. Such orbits a...

A: Click to see the answer

Q: Is rotational kinetic energy completely analogous to translational kinetic energy?What, if any, are ...

A: Yes, the rotational and translational kinetic energy are exactly analogous.

Q: Need help with Exploration 3.3 thanks!

A:  

Q: Under what conditions is the thermal resistance of the tube in a heat exchanger negligible?

A: The conditions for the thermal resistance of the tube in a heat exchanger negligible: