GOKUL ACADEMY OF SCIENCE15 Near Gajanan High School New Subhedar Lay-out Nagpur-24

PhNo0712-2743707 amp 6466067

Date 05-01-2012 Gokul Retrospection sheet 03

Std XII - State

( GRS -03)

BiologyQ1

Selective reabsorption (M-02)

Q2

Write a note on Kidney stone (M-02)

Q3

What are renal calculi (M-04)

Chemistry

Q1 How phenol is prepared from Aniline

Q2 What is the action of the following on phenol

i) liquid Bromine

ii) Bromine water

Physics

Q1 Derive the expression for variation of g with altitude ( Two - time)

Mathematics Q1 Prove that tan3θ ndash tan2θndash tan θ= tan3 θ tan2θ tanθ

Q2 Prove that tan100 + tan 350 + tan100 + tan350 = 1

Q3 Prove that tan 500 = tan400 + 2 tan100

Q4 Without using the trigonometric table Find

i) tan 750

ii) cos 150

iii) sin1050

Go Cool For Exam