Here I am sharing the last year question paper of Karnataka SSLC Science Exam

The induced electromotive force increases when a magnet is moved fast in a
stationary coil of wire because,
(A) magnetic field increases
(B) rate of change of magnetic field increases
(C) rate of change of magnetic field decreases
(D) magnetic field decreases.

A photoelectric cell emits electrons when illuminated by a 60 W bulb. If the same cell is illuminated by replacing it with a 40 W bulb, the observation that can be made is
(A) no photoelectric effect takes place
(B) number of photoelectrons increases
(C) the kinetic energy of photoelectrons decreases
(D) number of photoelectrons decreases.

The defect in an engine is detected by using X-rays. The gamma radiation can also be used for the same purpose because gamma radiation has,
(A) higher frequency than X-ray
(B) same frequency as that of X-ray
(C) higher wavelength than X-ray
(D) same wavelength as that of X-ray.

The transducer used in television transmission works on the principle of
(A) electromagnetic induction
(B) photoelectric effect
(C) Raman’s effect
(D) Rayleigh’s effect.


1. A, B and C are the three coils of conductor having different number of turns, wound
around a soft iron ring as shown in the figure. Ends of coils B and C are connected to
the galvanometers. The observation that can be made when ends of coil A are
connected to an A.C. source is
(A) same electric current is induced in B and C
(B) no electric current is induced in B and C
(C) induced electric current is more in B than in C
(D) induced electric current is less in B than in C.
Ans :

2. The induced electromotive force increases when a magnet is moved fast in a
stationary coil of wire because,
(A) magnetic field increases
(B) rate of change of magnetic field increases
(C) rate of change of magnetic field decreases
(D) magnetic field decreases.
Ans :
3. A photoelectric cell emits electrons when illuminated by a 60 W bulb. If the same cell
is illuminated by replacing it with a 40 W bulb, the observation that can be made is
(A) no photoelectric effect takes place
(B) number of photoelectrons increases
(C) the kinetic energy of photoelectrons decreases
(D) number of photoelectrons decreases.
Ans :
4. The defect in an engine is detected by using X-rays. The gamma radiation can also be
used for the same purpose because gamma radiation has,
(A) higher frequency than X-ray
(B) same frequency as that of X-ray
(C) higher wavelength than X-ray
(D) same wavelength as that of X-ray.
Ans :

5. The transducer used in television transmission works on the principle of
(A) electromagnetic induction
(B) photoelectric effect
(C) Raman’s effect
(D) Rayleigh’s effect.
Ans :
6. The source that gives line emission spectrum when subjected to dispersion is
(A) Molten iron
(B) Sun
(C) Mercury vapour
(D) Candle flame.
Ans :
7. The application of Doppler effect of microwave among the following is
(A) Ultrasound scanner
(B) Echocardiography
(C) Tracking of artificial satellites
(D) Determining velocity of submarine.
Ans :
5 83-E
( SPACE FOR ROUGH WORK )
✪ 812130 [ Turn over
8. Which of the following is not a good practice to conserve fuel ?
(A) Using public transport system
(B) Using motor bike to travel short distances
(C) Using bicycle to travel short distances
(D) Walking the short distances.
Ans :
9. The ratio of number of moles of butane to the number of moles of oxygen necessary
for complete combustion of butane is
(A) 1 : 2
(B) 2 : 3
(C) 1 : 5
(D) 2 : 13.
Ans :
10. Human beings are interfering in bio-geochemical cycle by using
(A) soaps
(B) detergents
(C) paper
(D) cotton.
Ans :

Rest of the Questions are attached in below file which is free of cost

Attached Files

Karnataka SSLC Science Exam Question Paper.pdf (254.3 KB, 78 views)