1. which of the following shows laterally inversion?
(a) plane mirror (b) concave mirrror (C) convex mirror (d) all of them
2. A ________ image is formed by the actual meeting of reflected rays.
3. what is lateral inversion?
Differntiate between the following-:
4. lense and mirror
5. concave mirror and concave mirror
6. luminous and non- luminous body
Give reason for the following
7. convex mirror is used as a rear view mirror.
high order thinking skills (hots)
8. how wil you distinguish between plane concave and convex mirror without touching them?
WHY LEAF IS CALLED FOOD FACTORY OF THE PLANT ?
Q.1 Fill in the blanks:-
Why are acids not stored in metal containers? Containers/vessels made from which materials are safe to store acids?
why is copper wire not used in the filament of a bulb or as a heating element of heater?what will happend if we use a thick tungsten wire in a electric bulb?
Test solution Effect on red litmus paper Effect on blue litmus paper Inference
Lemon juice No change Red Acidic
Tap water No change No change Neutral
Detergent solution Blue No change Basic
Aerated Drink Blue No change Basic
Soap solution Blue No change Basic
Shampoo Blue No change Basic
Common Salt solution No change No change Neutral
Sugar solution No change No change Neutral
Vinegar No change Red Acidic
Baking soda solution Blue No change Basic
Milk of magnesia Blue No change Basic
Washing soda solution Blue No change Basic
Lime water Blue No change Basic
Test solution Effect on turmeric solution Remarks
Lemon juice No colour change Acidic
Orange juice No colour change Acidic
Vinegar No colour change Acidic
Milk of magnesia Red Basic
Baking soda Red Basic
Lime water Red Basic
Sugar No colour change Neutral
Common salt No colour change Neutral
What about sugar and common salt with turmeric solution? How do we conclude about the nature?
identify from the following plants having unsexual or bisexual flowers:
papaya , mustard , rose , corn , petunia , cucumber.
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