Download App

Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
When a wave travels from the one medium to another, the quality which will not change is its:
  • A
    Amplitude
  • B
    Velocity
  • C
    Frequency
  • D
    Intensity
✓

Answer

  1. Frequency

Explanation:

Frequency of a wave is characterised by the source of wave , therefore it does not change when wave travels from one medium to another.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Sound→Sound — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Who laid the foundation of chemical sciences by experimentally establishing laws of chemical combination along with other scientists:
→

Parenchyma is a type of ________.

  1. Complex tissue
  2. Simple tissue
  3. Xylem
  4. Phloem
→
What is latent heat of vaporization:
→
A pulse is allowed to get reflected from a wall. Then:
→
Middle lamella is formed of:
→
The SI unit of volume is cubic metre (m3). The common unit of measuring volume in litre (L). Then, 1L = …… dm3, 1L = ………. mL and 1 mL = …….. cm3.
→
Match column I with the column II.
 
Column I
 
Column II
A.
Solution
I.
Chalk in water
B.
Colloid
II.
Tincture of iodine
C.
Suspension
III.
Starch in water
D.
Homogeneous
IV.
A mixture of chalk and sand
E.
Heterogeneous
V.
Air
    →
    The ratio of moles of atoms in 12g of magnesium and 16g of sulphur will be:
    1. 3 : 4
    2. 4 : 3
    3. 1 : 1
    4. 1 : 2
    →
    The graph below shows the distance travelled and the time taken by four cars.
    Which car travelled the slowest:
    →
    White gold used in jewellery contains two elements, gold and palladium. A jeweller has two different samples that are both identical in appearance and have a uniform composition throughout. What can be said about the samples?
    →