Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
12th Class Physics
Short Questions Preparation
Start Chapter 19 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 19 Short Questions Preparation
-
Total Questions10
-
Available Sets3
Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation
Question # 1
Which has the lower energy quanta,radio waves or x rays?Explain
-
Ans 1: Energy of quanta is given as E=hf-hc/lamdaRadio waves length has longer wavelength,Therefore radio waves has lower energy quanta.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1
Question # 1
Which has the lower energy quanta,radio waves or x rays?Explain
-
Ans 1: Energy of quanta is given as E=hf-hc/lamdaRadio waves length has longer wavelength,Therefore radio waves has lower energy quanta.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2
Question # 1
When light shine on surface,is momentum transferred to metal surface?
- Ans 1: Yes when light shine on surface,momentum is transferred to metal surface and also the energy.So metal is heated up.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3
Question # 1
Does the dilation mean that time really passes more slowly in moving system or that it only seems to pass more slowly.Explain briefly.
-
Ans 1: According to dilation formulat="This relation show that a clock moving with respect to an observe appears to move slow then it does when it is at rest with respecttohim.So the moving clocks just appears to run slowly to the observer at rest.Hence time dilation is an apparent change and it only seems to pass more slowly but not actually.
