Which from the following is true for “Sound”?
Which from the following is true for “Sound”?
- Sound cannot travel through a vacuum
- Sound cannot travel through gases
- Sound cannot travel through liquids
- Sound cannot travel through solids
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The major ingredient of leather is__________________?
The major ingredient of leather is__________________?
A. Collagen
B. Polymer
C. Nucleic acid
D. None of theseCarbon,Diamond and Graphite are together called:___________?
Carbon,Diamond and Graphite are together called:___________?A. Allotrope
B. Isomers
C. Isomorphs
D. IsotopesThe term allotrope refers to one or more forms of a chemical element that occur in the same physical state. … Allotropes may display very different chemical and physical properties. For example, graphite and diamond are both allotropes of carbon that occur in the solid state
How many longitudes are there in Globe?
How many longitudes are there in Globe?A. 90
B. 180
C. 270
D. 360Since a sphere has 360 degrees, the Earth is divided into 360 longitudes. The meridian opposite the Prime Meridian (on the other side of the Earth) is the 180° longitude and is known as the anti meridian.
When sugar is added to water, its boiling point:__________?
When sugar is added to water, its boiling point:__________?A. Increase
B. Decrease
C. Remain unchanged
D. None of the aboveSugar is a non-volatile solute. Adding sugar to water will raise the boiling point and decrease the freezing point of water.
Which rays are trapped in our galaxy by magnetic waves?
Which rays are trapped in our galaxy by magnetic waves?A. Alpha rays
B. Gamma rays
C. Cosmic rays
D. None of theseWhich of the following waves have smallest velocity in vacuum?
Which of the following waves have smallest velocity in vacuum?A. Ultraviolet
B. Sound
C. Infra-Red
D. Micro