Home
About
FAQ
System Requirements
In the news
Workshops
Training
Training Calendar
Request for Training
Training Status
Registration
For Teachers
For Students
For Schools
Contact us
Login
English
हिंदी
മലയാളം
తెలుగు
Français
मराठी
Español
ಕನ್ನಡ
you are here->
home
->
Physics
->
Class 11
->
Spherometer
Spherometer
Theory
Theory
Procedure
Animation
Simulator
Video
Viva Voce
Resources
Feedback
1)
An instrument for measuring focal length of a lens is called :
goniometer
heliometer
focometer
spherometer
2)
The distance through which the screw advances when it is rotated through one division of the head scale is called?
Zero correction
Zero error
Least count
Pitch
3)
The pitch of a spherometer is 1 mm and number of head scale division is 100. What is the least count of the spherometer?
0.001 mm
0.1 mm
0.01 mm
0.01 cm
4)
What is the zero correction for a spherometer?
Negative.
Positive.
No zero correction.
May be positive or negative.
5)
When the circular scale completes one rotation, what is the distance moved by the screw?
Least count
Pitch
Zero correction
Zero error
6)
The principle of spherometer is same as which of the following?
Vernier calliper
Screw gauge
Micrometer screw
Spectrometer
7)
What is the possible least count of your laboratory spherometer?
0.01 mm
0.1 mm
0.05 mm
0.2 mm
8)
The least count of spherometer is calculated by:
Pitch × No of rotations
Pitch / No of rotations
Pitch × No of head scale divisions
Pitch / No of head scale divisions
9)
What is the instrument used to measure the radius of curvature of a surface?
Spherometer
Vernier calipers
Screw guage
Spectrometer
10)
Why is a spherometer so called?
Measures the diameter of the circle
Measures refractive index of a sphere
Measures the radius of curvature of a sphere
All of these