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A pipe is open at both ends. What should be its length such that it resonates a 10Hz source in the 2nd harmonic? Speed of sound in air = 340m/s.
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
Consider standing waves in an air column with one end closed. What is a pressure node?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
A pipe open at both ends has a fundamental frequency of 2Hz. If the pipe is closed at one end and half filled with water, what will be the fundamental frequency?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
Standing waves can be produced when two identical waves, having a phase difference of π, are travelling in the same direction. True or False?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
Consider the phenomenon of beats & select the correct statement.
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
Two interfering waves have a frequency of 2Hz & 6Hz. What is the beat frequency?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics
0
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1
answer
Let’s say we can hear a beat frequency of 2Hz from two tuning forks. The first tuning fork has a frequency of 100Hz. If wax is applied on the 2nd tuning fork, the beat frequency becomes 4Hz,
asked
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
1
answer
Two longitudinal waves: s1 = 3cos(11t) & s2 = 3cos(10t) interfere. What is the amplitude of the resulting wave?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics
+1
vote
1
answer
An observer is standing stationary in air moving at a speed of 2m/s. A source of frequency 20Hz is moving in the direction of wind with speed 10m/s towards the observer. W
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics
0
votes
1
answer
A train with a frequency ‘f’. What will be the frequency heard by a person sitting in the train? Speed of the train is ‘v’.
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics
+1
vote
1
answer
A source of sound moves towards an observer. What happens to the speed of sound in the medium?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
phisics
+1
vote
1
answer
A source moves towards a stationary observer with a speed of 10m/s. If the frequency of the source is 10Hz what will be the wavelength of sound heard by the observer?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
phisics
+1
vote
1
answer
If both the source of sound and observer are moving, the apparent frequency will be different from the actual frequency. True or False?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics
0
votes
1
answer
A man is moving towards a wall with a source of sound in his hand. Frequency of source = 50Hz. Speed of man = 8m/s.
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics-class-xi
+1
vote
1
answer
A source of frequency 50Hz is moving towards an observer with a deceleration of 2m/s^2. If its initial speed is 20m/s, what will be the maximum frequency heard by the observer?
asked
Oct 3, 2021
in
Class-XI-PHYSICS
physics-class-xi
0
votes
1
answer
Microservice Architecture adapts following concepts
asked
Feb 22, 2021
in
Matlab
microservice
0
votes
1
answer
Which of the following is not applicable to Data Mining?
asked
Feb 22, 2021
in
Deep Learning
data-mining
0
votes
1
answer
What is double spending in Blockchain?
asked
Dec 26, 2020
in
BlockChain
blockchain
0
votes
1
answer
Explain the reliability and availability of Cloud Computing.
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
Which agent is equivalent of Nova Compute?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
What are the differences occurred in distributed operations in Cloud Computing?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
What are the components of Windows Azure?
asked
Nov 2, 2020
in
Cloud Computing
#azure
0
votes
1
answer
What are the cloud service models?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
Explain the layers of PaaS architecture in Cloud Computing?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
What is a Cloud?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
0
votes
1
answer
What is difference between Cloud and On-premise Computing.?
asked
Nov 2, 2020
in
Cloud Computing
#cloud-computing
+1
vote
1
answer
What are the applications of transfer learning in Deep Learning?
asked
Nov 2, 2020
in
Data Handling
#deep-learning
DataHandling-questions-answers
0
votes
1
answer
What do you mean by exploding and vanishing gradients in Deep learning?
asked
Nov 2, 2020
in
Data Handling
#deep
learning
DataHandling-questions-answers
0
votes
1
answer
What’s the difference between valid and same padding in a CNN(deep learning)?
asked
Nov 2, 2020
in
Data Handling
#deep-learning
DataHandling-questions-answers
0
votes
1
answer
In a CNN, if the input size 5 X 5 and the filter size is 7 X 7, then what would be the size of the output in Deep learning?
asked
Nov 2, 2020
in
Data Handling
#deep-learning
DataHandling-questions-answers
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