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Physics

Physics
The term ''Isoneph' indicates the lines of equal

Cloudiness
Rainfall
Pressure
Salinity

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Physics
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

2.8 km, 0.25 km
1.8 km, 0.15 km
2.2 km, 0.20 km
3.3 km, 0.30 km

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Physics
Which of the metals has the maximum thermal conductivity?

Silver
Copper
Aluminium
Iron

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Physics
Remote-sensing device has an inbuilt source of

Ultraviolet ray
X-ray
G-ray
Infrared ray

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Physics
When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

Dispersion of light
Reflection of light
Refraction of light
Scattering of light

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Physics
The characteristic invalid for heat radiation is that it travels :

In a straight line
With the speed of light
In all directions
Heating the medium through which it passes

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