126. The electromagnetic waves do not transport: Answer: Information
127. The energy absorbed during the change of a state : of substance is called:
Answer: Latent heat
128. The energy that travels through telephone line:
Answer: Electrical energy
129. The expected energy of electrones at absolute zerois called:
Answer: Fermi Energy
130. The first ballistic missile was developed under direcition of :
Answer: Wernher von Braun
131. The lowest temperature boyond which matter is not able to be cooled is ---------- dogree Celcius;
Answer: Minus 273
132. The mass of a body is 8kg on earth. What is its mass in moon:
Answer: 8kg
133. The minimum temperature at which a combustible substance catches fire is called:
Answer: Ignition temperature
134. The mirror used in search light is:
Answer: Parabolic
135. The reagent used to test the presence of starch in leaves is:
Answer: lodine solution
136. The type of glass which can cut off ultra violet rays:
Answer: Crookes glass
137. The unit of electric charge is:
Answer: Coulomb
138. The unit of measuring distance between the stars is called:
Answer: Light Year
139. The temperature below which the water vapor in a volume of humid air at a constant barometric pres sure will condense into liquid water, is called:
Answer: Dew Point
140. Unit of illuminance and luminous emittance:
Answer: Lux
141. What is called 'the brain of a computer':
Answer: CPU
142. When milk is churned, the cream separates from it due to:
Answer: Centrifugal force
143. When the temperature of a metal is raised, its conductance:
Answer: decreases -
144. Which type of glass is used for making glass reinforced plastic:
Answer: Fibre Glass
145. Which type of heat treatment helps steel to bend:
Answer: Annealing
146. Which type of reaction produces most harmful radiation:
Answer: Fission reaction
147. Who discovered Unix operating system:
Answer: Dennis Ritchie
148. Who first used the term 'Nanotechnology:
Answer: Nario Taniguchi
149. Who invented optical fibre:
Answer: Narinder Kapany
150. Who is known as 'the father of personal computer':
Answer: Henri Edward Roberts...
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