Q. Which one of the following laws of electromagnetism does not give the direction of magnetic field?
1) Right-hand thumb rule
2) Fleming's left-hand rule
3) Fleming's right-hand rule
4) Faraday's law of electromagnetic induction
Q. Who amongst the following is a pioneer in discovering the heating effect of electric current?
1) Isaac Newton
2) Galileo Galilei
3) James P. Joule
4) J.J. Thomson
Q. A non-spherical shining spoon can generally be considered as a -
1) Spherical mirror
2) Parabolic mirror
3) Plane mirror
4) Lens
Q. Which one of the following is an electric conductor?
1) A plastic sheet
2) Distilled water
3) Human body
4) A wooden thin sheet
Q. Which of the following statements about fission is correct?
1. It is related with the creation of new individuals by means of cell division in unicellular organism.
2. It is related with the transformation of heavier nuclei into smaller nuclei.
3. It is related with the creation of a heavier nuclei by means of combining two higher nuclei.
Select the correct answer using the code given below -
1) 1 only
2) 2 only
3) 1 and 2 only
4) 1 and 3 only
Q. A solution contains 20 g of solute in 180 g of solvent. If the solvent is water, what is the concentration of the solution in terms of mass by mass percentage?
1) 11.1%
2) 22.2%
3) 10%
4) 20%
Q. We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest resistivity?
1) Copper wire of 50 cm length and 1 mm diameter
2) Copper wire of 25 cm length and 0.5 mm diameter
3) Copper wire of 10 cm length and 2.0 mm diameter
4) All the wires would have same resistivity
Q. Which one of the following metals has both malleability and ductility properties?
1) Na
2) Au
3) Ce
4) Hg
Q. Which one of the following elements is a non-metal but is lustrous?
1) Carbon
2) Silicon
3) Germanium
4) Iodine
Q. Growing of two or more crops simultaneously on the same field in a definite pattern is known as -
1) mixed cropping
2) inter cropping
3) mixed farming
4) hybrid farming
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