Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1. During a photoelectric effect experiment, light possessing 2.56 eV of energy is incident on the photosensitive material. The work function of the material is

1. During a photoelectric effect experiment, light possessing 2.56 eV of energy is incident on the photosensitive material. The work function of the material is 0.250 eV. What is the kinetic energy of the emitted electrons?

A. 3.70 x 10-19 J
B. 4.50 x 10^-19 J
C. 4.00 x 10^-20 J
D. 4.10 x 10^-19 J

2. A pendulum of length 1.0 meter is set into motion. At point A on the pendulum, it knocks into a mass on a spring and sets the mass in motion. Assuming both the pendulum and the spring have the same period, what is the ratio of mass/spring constant?

A. 1.92

B. 10.43

C. 0.10

D. 0.56

3. How long would an instrument which is open at one end have to be in order to hear the 5th harmonic at 4000 Hz on an open tube? Assume the speed of sound is 340 m/s.

A. 0.51 m

B. 0.11 m

C. 0.44 m

D. 0.21 m

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Introduction to Elementary Particle Physics

Authors: Alessandro Bettini

2nd edition

1107050405, 978-1107050402

More Books

Students also viewed these Physics questions