Previous Year Papers

121. The velocity of wind is measured by

122. In wind power, which form of energy is converted into  electrical energy?

123. The minimum distance of clear vision for a normal  healthy eye of a human being is supposed to be

124. ‘Big-Bang theory’ explains the origin of  ________.

125. Photovoltaic cells are

126. Einstein was honoured with Nobel Prize for

127. Five bulbs each of 100-watt capacity in a tunnel are  illuminated continuously for twenty hours. The  consumption of electricity will be

128. If an unsaturated sugar solution is prepared by mixing  100 grams of sugar with half litre of water, which of the  following physical quantities will not change?

129. A mobile phone charger is

130. Television viewers using dish antenna to receive  satellite signals do not receive signals during rain  because  1. of small size of antenna  2. rain droplets absorb the energy of radio waves  3. rain droplets disperse the energy of radio waves  from their original direction Which of the above statements is/are correct?

131. A cut diamond shines brilliantly due to

132. Which of the following represents the decibel level of  rustling of tree leaves in normal circumstance?

133. Which of the following has the highest velocity?

134. Graphene is

135. The sound will have highest velocity in

136. Einstein was awarded Novel Prize for of his

137. Which of the following electro-magnetic radiations has  the maximum energy?

138. Which of the following elements is a semi-conductor?

139. Name the missile tested by Indian scientists and  defence personnel on 27.01.1996 at Chandipur:

140. Name the missile boat constructed for Indian Navy  which was successfully launched in September 1995: