KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SBSX (Class 12 & 1st Year B.Sc.) Physics: Questions 29  31 of 268
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 268 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 200.00 or
Question number: 29
» Wave Optics » Young's Double Slit Experiment
Appeared in Year: 2010
Question
In Young’s double slit experiment, the distance between the two slits is 0.1 mm, the distance between the slits and the screen is 1 m and the wavelength of the light used is 600 nm. The intensity at a point on the screen is 75 % of the maximum intensity. What is the smallest distance of this point from the central fringe?
Choices
Choice (4)  Response  

a.  0.5 mm 

b.  1.5 mm 

c.  1.0 mm 

d.  2.0 mm 

Question number: 30
» Electromagnetic Induction & Alternating Currents » Reactance and Impedance
Appeared in Year: 2010
Question
Consider the infinite ladder circuit shown below.
For which angular frequency ω will the circuit behave like a pure inductance?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 31
» Electrostatics » Forces Between Multiple Charges
Appeared in Year: 2010
Question
Three equal charges + q are placed at the three vertices of an equilateral triangle centered at the origin. They are held in equilibrium by a restoring force of magnitude F (r) = Kr directed towards the origin, where k is a constant. What is the distance of the three charges from the origin?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

