Class 9 Olympiads — NSO Sample papers

NSO Official sample paper - 35 questions: Q1) When an ideal simple pendulum oscillates between the extreme points P and Q, there is continuous (i)of potential energy and kinetic energy. The potential energy depends on the choice of (ii). Force acting on the bob of the pendulum is maximum at (iii), and minimum at (iv)

iOS Official sample paper - 35 questions: Q1) Which one of the following shows that cathode rays are negatively charged particles? (A) Cathode rays produce greenish light on striking the wall of discharge tube. (B) Cathode rays cast shadows of the objects placed in their path. (C) Cathode rays move the blades of a paddle wheel placed in their path. (D) Cathode rays are deflected towards the positive plate of an electric field

ICAS Science sample paper - 35 questions: Q1) Sirius is a white star which has a surface temperature of 10000 °C. Its spectrum has hydrogen but no strong metallic lines. What class of star is Sirius?.

NSTSE Official sample paper - 35 questions: Q1) How is Brownian motion caused ? (A) Through temperature fluctuations within the liquid phase. (B) Through attraction and repulsion between the charges on the colloidal particles. (C) Through collision of molecules between the colloidal particles. (D) Through pressure variations within the liquid phase

NISO Official sample paper - 35 questions: Q1) An aqueous solution at room temperature was heated and some more solute was added to it. It was observed that after sometime solution could not dissolve any more of the solute. The solution is then cooled. The solution now formed is called _____.