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Answer the following question:Que1 state two reasons why convex mirror is used as a rear view mirror and which type of mirror is used in shaving mirrors and why ?(state 2 reasons)Que2 define gamets. Que3 is there any effect on incident ray on a glass slab if the glass slab is placed in another medium except air. or vacuumQue4 what is the difference between germ cell of flower and pollen grain .is germ cell here means generative cell ?

Answer»

Ans1. (i) Convex mirror makes diminished and erect image which help the driver of the vehicle to interpret the vehicles coming behind it.
(ii) Convex mirror gives wide range of view to the driver 
as you can see below


Ans.2 A mature HAPLOID MALE or female germ cell which is ABLE to unite with another of the opposite sex in sexual REPRODUCTION to form a zygote.

Ans3. NO, but a suitable angle could not be achieved 
for example your class slab is PLACED in water if the incident angle is 30 degrees then it may be 45 degrees with glass slab because water will also refract light
ANS4. no idea boss idon't wanna provide you wrong
sorry


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