Karnatak University 2007 Science - Question Paper

Ans :
12. "An imaginary line drawn from the sun to planet sweeps equal areas in equal intervals
of time." This legal regulations is
(A) 1st legal regulations of planetary motion
(B) 2nd legal regulations of planetary motion
(C) 3rd legal regulations of planetary motion
(D) Universal legal regulations of gravitation.
Ans :
13. Colours in a pure spectrum are
(A) mixed
(B) obtained to be overlaping
(C) away from 1 a different
(D) occupying their respective places distinctly.
Ans :
14. The part of the spectroscope that magnifies the image of the spectrum is
(A) Slit
(B) Telescope
(C) Lenses
(D) Prism.
Ans :
15. Which of the subsequent is continuous emission spectrum ?
(A) Spectrum of light that is emitted by gases
(B) Spectrum found by passing sunlight through semi-transparent medium
( object )
(C) Spectrum found from the flame of burning candle
(D) Spectrum found by passing light of carbon arc lamp through sodium vapour.
Ans :
16. Sound propagates with maximum velocity ( speed ) through which of the subsequent
mediums ?
(A) Solid(B) Gas
(C) Liquid (D) Vacuum.
Ans :
83-E 8
( SPACE FOR ROUGH WORK )
26100
17. Echo-cardiography by using ultrasound waves is helpful to study of which of the
subsequent organs ?
(A) Kidney
(B) Urinary bladder
(C) Pancreas
(D) Heart.
Ans :
18. The difference in brightness of 2 stars having the magnitudes + one and + 5, is
(A) ( 2·5 ) one (B) ( 2·5 ) 2
(C) ( 2·5 ) three (D) ( 2·5 ) 4
Ans :
19. Sun may turn into black hole if 1 of the subsequent is very less :
(A) Emission of energy
(B) Mass
(C) quantity
(D) Brightness.
Ans :
20. Which 1 of the subsequent stars is binary star ?
(A) Rigel(B) Sun
(C) Sirius (D) Betelgeuse.
Ans :
21. Which 1 of the subsequent is not accurate with respect to radioactive emission ?
(A) Alpha rays are emitted

Earning:   Approval pending.