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Kerala (English Medium)->Plus 2 Biology Science Questions

Total Questions 664
A body covers first half of journey at a speed 40m/s and second half at a speed 60m/s.Calculate average speed.
Give one example for motion in which a)average speed and average velocity are equal. b)average speed is not equal to average velocity.
please do give me notes regarding bone cancer including its symptoms and all the stuffs.....precautions.............etc
its so sorry about you guys that no main chapters are included in class notes. smartindia is really helpful to students....but at times smartindia is not helping out much...hope you ,smartindians would help us out.please do include class notes of difficult chapters as soon as you can...... hope you guys will improve smartindia as soon as you can .....have a good day
If x is in third quadrant,then (a).Choose the possible value of cosec x from the bracket[-3/5,3/5,5/3,-5/3] (b).Evaluate tanx-secx for the x in the part (a)?
solve the equation tan^2 0+ cot^2 0= 2?
If sin x=12/13 and x is an acute angle,find the value of cos 2x?
Show that cos 20 cos 40 cos 80=1/8
i)Consider the conic 9y^2-4x^2=36 ii)Find foci,eccentricity and length of latus rectum.
i) Find the focus,equation of directrix and length of latus rectum of parabola x^2+16y=0 ii)Determine the foci,eccentricity and length of major axis of the ellipse 16x^2+9y^2=144
i) Find the centre and radius of the circle x^2+y^2-8x+10y-12=0 ii)Determine the eccentricity and length of latus rectum of the hyperbola x^2/16-y^2/9=1
i) Find the slope of the line x/a+y/b=1 ii)If the line joining the points (0,0),(1,1),and (2,2),(4,y) are perpendicular.Find y.
i) Find the equation of y axis ii)Find the distance between 8x+15y-5=0 and 8x+15y+12=0
Consider the line joining points P(-4,1) and Q(0,5) i) Write the coordinates of midpoint of PQ ii)Find the equation of the line passing through the midpoint of PQ and parallel to the line 3x-4y+2=0
Find the distance of the point (4,1) from the line 3x-4y+12=0
Consider the line joining the points (2,-1) and (6,-3) i) Find its slope ii)Find the equation of its perpendicular bisector.
Consider the line x+3y-7=0 i) Find the slope of the line ii)Find the image of the point (3,8) with respect to the given line.
a proton and electron have same debroglie wave length which of them moves fast? and which posses more kinetic energy explain?
the kinetic energy of photoelectrons are differnt in a photoelectric effect from a material explane?
no of photoelectrons increases with an increase in the intesity of light but not with increase in freequency of light?