Ask
Login
TAGGED IN

Engineering Physics

Follow this tag to get notifications whenever a new post is added

ALL TAGS
2
votes
1
answer
11k
views
1
answer
What is the probability of an electron being thermally promoted to the conduction band in a diamond at $27^0 C$, if the band gap is 5.6 eV wide?
engineering physics updated 7.7 years ago by teamques10 ★ 66k
11
votes
1
answer
80k
views
1
answer
Explain the principle, construction & working of a LED.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
3.2k
views
1
answer
Define Ligancy. Find the value of critical radius ratio for ligancy.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
4.6k
views
1
answer
Explain the statement crystal act as three dimensional grating with X-rays.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
2
votes
1
answer
18k
views
1
answer
Zn has HCP structure. The nearest neighbor distance is 0.27nm. The atomic weight of Zn is 65.37. Calculate the volume of unit cell, density and atomic packing fraction of Zn.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
1.3k
views
1
answer
Draw (i) $(1 \bar{1} 2)$ (ii)(0 4 0) (iii) [0 4 0] with reference to a cubic cell.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
6.1k
views
1
answer
Explain analysis of crystal structure using Braggs X-ray spectrometer.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
3.3k
views
1
answer
Monochromatic high energy x-rays are incident on a crystal. If 1st order reflection is observed at an angle $(3.4)^0$, at what angle would 2nd order reflection be expected.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
0
votes
1
answer
1.5k
views
1
answer
Draw the following w.r.t a cubic unit cell. $(1 \bar{1} 1)(\bar{1} 1 1)[1 2 3]$
engineering physics updated 7.7 years ago by teamques10 ★ 66k
1
vote
1
answer
2.3k
views
1
answer
Draw the unit cell and Basis of DC structure.
engineering physics updated 7.7 years ago by teamques10 ★ 66k
1
vote
1
answer
39k
views
1
answer
Describe principle, construction and working of magnetostriction oscillator to produce ultrasonic waves.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
8.7k
views
1
answer
calculate the coefficient of absorption of curtain cloth.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
2
votes
1
answer
9.6k
views
1
answer
Write Sabines formula explaining each term. Explain how this formula can be used for the determination of absorption coefficient of a given material
engineering physics updated 8.2 years ago by teamques10 ★ 66k
4
votes
1
answer
34k
views
1
answer
State the acoustic requirement of good auditorium. Explain how these requirements can be achieved.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
3.0k
views
1
answer
Explain piezoelectric oscillator to produce USW.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
1
vote
1
answer
11k
views
1
answer
State the acoustic requirements of a good auditorium. Explain how these requirements can be achieved.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
9.5k
views
1
answer
State and explain Ohms law in magnetic circuit.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
8.6k
views
1
answer
Draw the structure of quartz crystal and explain its various axes.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
2.7k
views
1
answer
An ultrasonic sound wave is used to detect the position of defect in a steel bar of thickness 50 cm. If the echo times are 40 and 90 s, locate the position of defect.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
4.2k
views
1
answer
Define reverberation time. State Sabine's formula and explain the terms in it.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
1.9k
views
1
answer
State with neat diagram direct and inverse piezoelectric current
engineering physics updated 8.2 years ago by teamques10 ★ 66k
10
votes
1
answer
63k
views
1
answer
What is piezoelectric effect? Explain the working of a piezoelectric oscillator used to produce ultrasound.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
5.8k
views
1
answer
Define reverberation time. Write Sabine's formula explaining every term. What are the factors which determine the average absorption coefficient of a material?
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
4
answers
3.6k
views
4
answers
Explain the absorption coefficient of a hall. Calculate the change in intensity level when the intensity of sound increases 1000 times its original intensity.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
0
votes
1
answer
4.1k
views
1
answer
State the terms: magnetostriction effect; piezo-electric effect.
engineering physics updated 8.2 years ago by teamques10 ★ 66k
<prev • 580 results • page 20 of 24 • next >