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CBSE Class 10 Answered

why fog appears in large amount after sunrises frequently?
Asked by chauhankaramveer | 23 Nov, 2020, 11:02: AM
answered-by-expert Expert Answer

Fog begins to form when water vapour condenses into tiny liquid water droplets suspended in the air. When the sky is clear at night, land surfaces radiate heat to space and therefore cool. Sea and lake surfaces do not, however, cool by more than a small amount overnight (much less than 1°C). If the air in contact with a surface is cooled to its dew-point temperature, small water droplets form.

Answered by Ramandeep | 26 Nov, 2020, 16:41: PM
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CBSE 10 - Science
when we see far objects why does the focal length decreases and when we see near objects why does the focal length increase??
Asked by ahanafdo | 15 Jul, 2024, 23:38: PM
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CBSE 10 - Science
is the ratio of sin i/ sin r when incident ray propagates from glass to air equal to the ratio when it propagates from air to glass
Asked by saniakausar032 | 09 Jul, 2024, 18:29: PM
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CBSE 10 - Science
focal length of plane mirror is
Asked by niveepatel2110 | 06 Jul, 2024, 21:29: PM
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CBSE 10 - Science
An object's height is 3cm kept in front of a concave mirror of focal length 20cm. Find the (i) position of the image. (ii) nature of the image. (iii) size of the image. The position of the object is 10cm.
Asked by meenakshirautela782 | 05 Jul, 2024, 20:30: PM
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CBSE 10 - Science
If the image is a distance of 6 cm and the object is at 12 cm in the front of the concave mirror. Calculate the magnification formed
Asked by meenakshirautela782 | 24 Jun, 2024, 13:12: PM
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CBSE 10 - Science
If a object of mass 500 gm is dropped from a height of 100 m with a velocity of 10 m/s , then with will be the total kinetic energy before touching the land
Asked by mihirbasu0011 | 21 Jun, 2024, 16:00: PM
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CBSE 10 - Science
used in the design of solar furnaces explain how I temperature is achieved by this device
Asked by chanchalmourya28 | 02 Jun, 2024, 18:58: PM
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CBSE 10 - Science
Illustrate how mirrors are used in everyday applications such as periscopes or review mirrors. What opticals are opplied in these devices?
Asked by ganeshenterprisesballia3 | 25 May, 2024, 22:21: PM
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CBSE 10 - Science
give a test that can be use to differentially chemically between butter and cooking ?????
Asked by sramakrishnareddyrama | 23 May, 2024, 10:58: AM
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CBSE 10 - Science
the radius of curvature of a spherical mirror is 20cm what is focal length
Asked by sharmashivangi7355 | 22 May, 2024, 19:44: PM
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