Best Online Coaching for CSIR NET Physical Science. We covered all the Best Online Coaching for CSIR NET Physical Science in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like CSIR, NET, SET, FRO, JL, DL, APPSC, TSPSC Exams, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- MCQ on X Ray Diffraction
- Best Study Material for CSIR NET Life Sciences
- CSIR NET Physics Online Coaching
MCQ on Physical Science for CSIR NET Exam
Light transmitted by a single Nicol crystal is
1. Unpolarised
2. Elliptically polarised
3. Plane polarised
4. None of above
Option 3 – Plane polarised
Which of the following waves can’t be polarised?
1. Sound waves
2. Gamma rays
3. Radio waves
4. UV-rays
Option 1 – Sound waves
The sugar solution produces the rotation of the plane of polarization towards the right-hand side so the source is
1. Laevo-rotatory
2. Polarised
3. Dexto-rotatory
4. Unpolarised
Option 3 – Dexto-rotatory
At the polarising angle, the angle between reflected and refracted ray is
1. 90°
2. 180°
3. 45°
4. 60°
Option 1 – 90°
Two Nicol prisms are oriented with their principal planes making an angle of 30%. Then the percentage of incident unpolarised light which passes through the system is
1. 37.5
2. 75
3. 100
4. None of the above
Option 1 – 37.5
For a surface, the polarising angle is 57°. The angle of incidence so that reflected light is plane polarised is
1. 57°
2. 37°
3. 90°
4. 137°
Option 1 – 57°
Light is fall (incident) on a plate at an angle of 60° and the reflected and refracted rays are mutually perpendicular. The refractive index of the plate is
1. 1.5
2. 2
3. 1.732
4. None of the above
Option 3 – 1.732
An unpolarised light is incident upon a glass plate of refractive index 1.54 at Brewster’s angle and gets completely plane polarised. The angle of polarisation is
1. 82°
2. 57°
3. 30°
4. 60°
Option 2 – 57°
LASER light is considered to be coherent because it consists of
1. unco-ordinated wavelengths
2. co-ordinated waves of exactly the same wavelength
3. different wavelengths
4. none of the above
Option 2 – co-ordinated waves of exactly the same wavelength
Floating oil water shows colored on fringes due to interference of light. The order of magnitude of the thickness of oil for such an effect to be visible is
1. 10 cm
2. 100 cm
3. 10,000 Å
4. 100 Å
Option 3 – 10,000 Å
The specific rotation of the sugar solution angle is 66. What is the angle of optical rotation caused by sugar solution concentration 15 grm/ 100cc filled in a tube length 15cm
1. 27.8°
2. 10.8°
3. 14.8°
4. 14.8°
Option 4 – 14.8°
The quartz wave plate vertical axis is inserted into a beam of linearly polarised light oscillating at 45′, then the emerging light 9 will be.
1. vertically
2. vertically polarised
3. right circularly polarised
4. linearly polarised
Option 4 – linearly polarised
The displacement of Raman lines from the exciting radiation is characteristic of the
1. Scattered material
2. Exciting radiation intensity
3. Dispersion of the spectrograph
4. None of the above
Option 1 – Scattered material
At what angle should a light beam be incident on a calm water surface so that the reflected light is fully linearly polarized
1. 45°
2. 53°
3. 0°
4. 90°
Option 2 – 53°
When an unpolarised light mutually electric and magnetic field strength vectors are oriented in arbitrary directions in a plane
1. perpendicular
2. parallel
3. opposite
4. none of the above
Option 1 – perpendicular
A calcite crystal is a
1. opaque crystal
2. biaxial crystal
3. uniaxial crystal
4. transparent glass
Option 3 – uniaxial crystal
The scattering intensity of a liquid is 6 units at a wavelength of 500nm, then the scattering intensity at a wavelength of 400nm will be
1. 12
2. 3
3. 6
4. 8
Option 2 – 3
The Brewster angle for a certain material is found to be 60°. If the angle of incidence is 60°. What would be the angle of refraction in the material?
1. 60°
2. 45°
3. 30°
4. 32°
Option 3 – 30°
The quartz wave plate’s minimum thickness is t, it converted unpolarised light of wavelength 480 nm to circularly polarised light, then the corresponding wave length of the quartz plate is 600 nm to find out the thickness of the quartz plate.
1. 0.56t
2. 1.25 t
3. 1.54t
4. 1.5t
Option 2 – 1.25 t
In the scattering of light, the ratio of the intensity of light scattered at 300nm to that at 600nm is
1. 4
2. 2
3. 8
4. 16
Option 4 – 16
We covered all the best online coaching for csir net physical science above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
