
CELPHY -2k23

Quiz
•
Physics
•
University
•
Hard
CELPHY NCT
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Force acting on a particle moving with constant speed in a friction less medium is__
Always zero
Need not be zero
Always non zero.
Cannot be concluded
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dimensionless constants are__
Length
Plancks constant
Boltzmann Constant
π,e
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what electric field intensity, the insulating properties of air break down?
7×10⁶ V/cm
7×10⁶V/m
3×10⁶V/m
3×10⁶V/cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula for Young's modulus is Y=(Stress)/(strain).
If the applied stress is double then the new value of Young's modulus is,
Halved
Doubled
Undetermined
Unchanged
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A particular material of length L and area A had resistance R .
Is melted and reformed so as the length is halved. Now, the new value of the resistance is
2R
½R
¼R
No change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The half lifetime of a radioactive material is 5 years. In 10 years the amount of substance disintegrated is __
25% of initial amount
75% of initial amount
12.5% of initial amount
Cannot determine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Maxwell boltzmann statistics the probability of finding any particle as the energy increases at a given temperature,
Increases 1/e Times.
Increases
Decreases
Greater than 1
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
Physics STPM Semester 2 Chapter Capacitor

Quiz
•
University
12 questions
QUIZE 1_CH1_UNITS

Quiz
•
University
15 questions
Mass Spectrometry

Quiz
•
11th Grade - University
20 questions
ความเป็นคู่ของคลื่น–อนุภาค

Quiz
•
12th Grade - University
20 questions
Electrical Inspection and Testing 1

Quiz
•
University
20 questions
Speed and Velocity Pre/Post Test

Quiz
•
KG - University
19 questions
Generators, Motors, and Transformers

Quiz
•
8th Grade - University
20 questions
Circuits and Ohm's Law

Quiz
•
10th Grade - University
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
20 questions
Brand Labels

Quiz
•
5th - 12th Grade
15 questions
Core 4 of Customer Service - Student Edition

Quiz
•
6th - 8th Grade
15 questions
What is Bullying?- Bullying Lesson Series 6-12

Lesson
•
11th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade