When a point is observed,the angle formed by the line of sight with the horizontal level where the point being viewed is above the horizontal plane is known as:
 67%
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When we raise our hand to look at the object, the angle formed by the line of sight with the horizontal is known as:
 50%
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When we lower our hand to look at the object, the angle formed by the line of sight with the horizontal is known as:
 74%
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When the length of the shadow of a pillar is equal to its height, the elevation at source of light is:
 51%
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A pole 10m high casts a shadow of 10 m long on the ground, then the sun's elevation is:
 81%
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The angle of depression from the top of a tower 12m high at a point on the ground is 300. The distance of the point from the top of the tower is:
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The ladder is 10m long. It touches a wall at height of 5m. The angle \theta made by it with the horizontal is:
 56%
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If the angle of depression of an object from a 75m high tower is 300, then the distance of the object from the base of the tower is
 52%
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The ratio of length of a rod and its shadow is 1:\sqrt{3} .  The altitude of the sun is:
 61%
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The tops of two poles of height 10m and 18m are connected with wire. If wire makes an angle of 300 with the horizontal,then length of wire is:
 63%
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