English

State Any Two Ways of Increasing the Frequency of Vibration of a Stretched String.

Advertisements
Advertisements

Question

State any two ways of increasing the frequency of vibration of a stretched string.
One Line Answer
Advertisements

Solution

Frequency of vibration of a stretched string can be increased by:
1. By increasing the tension in the string.
2. By decreasing the length of the string.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Light - Exercise 2.3 iii [Page 145]

APPEARS IN

Frank Physics Part 2 [English] Class 10 ICSE
Chapter 2 Light
Exercise 2.3 iii | Q 1 | Page 145

RELATED QUESTIONS

When a ray of light travels from air to glass slab and strikes the surface of separation at 90°, then it …………….
(a) bends towards normal
(b) bends away from normal
(c) passes unbent
(d) passes in zigzag way


A student traces the path of a ray of light passing through a rectangular glass slab and marks the angle of incidence i, angle of refraction r and angle of emergence e, as shown.

The correctly marked angle(s) is/are

(A) ∠ i only

(B) ∠ e only

(C) ∠ r only

(D) ∠ i and ∠ e


Which colour of light travels fastest in any medium except air?


 How can you bend light away from the normal?


Write the relation between the angle of incidence and the angle of refraction for a medium.


In fig 4.18, name the ray which represents the correct path of light while emerging out through a glass block. 

  


A total reflecting right angled isosceles prism can be used to deviate a ray of light through:
(a) 30° (b) 60° (c) 75° (d) 90°. 


A student traces the path of a ray of white light through a rectangular glass slab and marks, the angles of incidence (∠i) , refraction (∠r) and emergence (∠e) as shown. Which angle or angles has he not marked correctly?

(A) ∠i only

(B) ∠i and ∠r

(C) ∠i and ∠e

(D) ∠r and ∠e


Light of a single colour is passed through a liquid having a piece of glass suspended in it. On changing the temperature of liquid, at a particular temperature, the glass piece is not seen.

Why is the light of a single colour used ?


A ray of light passes from water to air. How does the speed of light change?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×