HERE is something from my side
CRO... cathode rays oscillator
Q_14
(1) Geiger Muller Counter --Radioactivity
(2) Newton --Gravitation
(3)Addison ---Electricity
(4) Bardeen and Brattin-- Semiconductor
(5) Weber Fehner’s Law -- non conductor
(6) Benjamin Franklin --Lightening Conductor
(7) Decibel-- Sound
(8) Dr. Gilbert --Magnet
(9) Henry Cavendish--water
(10) Faraday EM induction
Q.7. Which of the following statements are True and which are False: (1 each)
1) Pitch of the dog sound is greater than the pitch of the cat sound.---false
2) Ultraviolet light is visible but infrared light is not visible.--false
3) Earthquakes are the lamps illuminating the structure of the earth’s exterior.--false
4) Electricity does not move through the wire but through a field around the wire.--false
5) A guava contains more vitamin C than an orange.--true
6) Sound travels faster in iron than in air.--true
7) Wheat Bridge is the name of an electrical circuit.---true
8) Morphine can cause constipation and lowering of blood pressure.--true
9) A concave lens is used for the correction of the Hyperphobia.--true
10) The nucleic acids are responsible for proteins synthesis in the human body.--true
9. Fill in the blanks: (1 each)
1) The branch of zoology, which deals with the study of insects is called __entmology________
2) The disease _beri beri________is caused by the deficiency of Vitamin B1 (Thiamine).
3) Oil rises in a wick of oil lamp because of a property of matter, called __capillary action______
4) The production of generally identical reproduction is called as ________
5) ___jupiter________ is the fastest planet of the solar system.
6) Mercury metal is ___9______ times heavier than water.
7) Relative density of milk is measured by an instrument known as __lactometer________
8) The temperature of a human body is measured by an instrument known as ___thermometer______
9) Gold and silver are known as _highly conducting________ metals.
10) The amount of ozone in the atmosphere is expressed in ___dobson units_______.
Q.3 Name. (1 each)
1) The alloy consisting of metals copper, zinc and nickel.---german silver
2) The instrument specially designed for recording earthquake waves,
3) The electrical device which converts sound energy into electrical energy.--microphone(mouth piece )
4) The ore of mercury metal.--cyanabar
5) The device with which variation of blood flow can be heard.
6) The element, which is abundantly present in the human body.
7) The scientist who discovered penicillin.
8) The astronaut who first landed on the surface of the moon.
9) The desert mammal, which does not drink water.--kangroo rat
10) The mode of heat transfer from the sun to the earth.--radiation

---- plz correct wrong ones