10TH CLASS SCIENCE 2015 PAPER JAMMU JKBOSE PDF DOWNLOAD

10TH CLASS SCIENCE 2015 PAPER JAMMU JKBOSE PDF DOWNLOAD

10TH CLASS SCIENCE 2015 PAPER JAMMU JKBOSE PDF DOWNLOAD

(PHYSICS)
LONG ANSWER TYPE QUESTIONS

What is meant by power of lens? State its S.I. units.

Find the focal length of a lens of power-2.0 D. What type of lens is this?

Or

Draw ray diagram to show the formation of images by concave mirror in case :

1. Object is at F
2. Object is between F and C
3. Object is between f and P.

Define Myopia. How is it corrected?

Or

Explain why sun appear reddish at sunrise and sunset.

Explain in detail Joule's Law of heating.

Or

Find an expression for the equivalent resistance of three resistors joined in series.

What precaution should be taken to avoid the overloading of domestic electric currents ?

Or

Give construction and working of an electric motor with the help of  a diagram ?

VERY SHORT ANSWER TYPE QUESTIONS

What is electric energy ? What is its Commercial unit?

Give uses of concave mirror.

Define solar energy and tidal energy.

DOWNLOAD FULL PAPER