Q1. Gamma rays can cause
(a) gene mutation
(b) sneezing
(c) burning
(d) fever
Q2. The substance which conducts current in the solid state is
(a) diamond
(b) graphite
(c) iodine
(d) sodium chloride
Q3. Which set of conditions represents the easiest way to liquify a gas?
(a) Low temperature and high pressure
(b) High temperature and low pressure
(c) Low temperature and low pressure
(d) High temperature and high pressure
Q4. What is colour of light related to?
(a) Amplitude
(b) Frequency
(c) Quality
(d) Velocity
Q5. What principle/law explains the working of the hydraulic brakes in automobiles?
(a) Bernoulli’s law
(b) Posieulle’s principle
(c) Pascal’s law
(d) Archimedes’ principle
Q6. The best conductor of heat among the following is
(a) alcohol
(b) mercury
(c) ether
(d) water
Q7. What is viewed through an electron microscope?
(a) Electrons and other elementary particles
(b) Structure of bacteria and viruses
(c) Inside of human stomach
(d) Inside of the human eye
Q8. What apparatus is used to locate a submerged object?
(a) Radar
(b) Sonar
(c) Quasar
(d) Pulsar
Q9. The instrument which uses sound waves to measure the depth of oceans is
(a) Radar
(b) Sonar
(c) Altimeter
(d) Venturimeter
Q10. Which combination of colour is the most convenient during day and night time?
(a) Orange and blue
(b) White and black
(c) Yellow and blue
(d) Red and green
Solutions
S1. Ans.(a)
S2. Ans.(b)
S3. Ans.(a)
S4. Ans.(a)
S5. Ans.(c)
S6. Ans.(b)
S7. Ans.(b)
S8. Ans.(b)
S9. Ans.(b)
S10. Ans.(d)
