Complete the paragraph
Select the appropriate options and complete the following paragraph.
(optical, X-ray, artificial, 1990, 1999, 2015, radio, 1969)
Hubble telescope is an _________telescope which was launched into space in _______.Chandra telescope is an _______telescope which was launched into space in ______.Astrosat is an _______satellite which was launched into space in _______.

Complete the paragraph Select the appropriate options and complete the following paragraph. (Yeast, yoghurt, _ bread, Lactobacilli, fermentation, respiration, sour, bitter, low pH, coagulation, sweet, high pH) _________convert lactose in milk to form lactic acid by the process of ______. This results in a change in the pH of milk causing _________of milk proteins that separate these proteins from other constituents of milk. These changes in milk result in the formation of a product known as __________which has a_______taste due to the presence of lactic acid. The ________destroys harmful microbes present in milk.

Complete the paragraph Select the appropriate options and complete the following paragraph. (neutral, earth, live, series, _ potential difference, parallel, 220 V, 110 V) There are three types of wires used for domestic connections. The wire which is red or brown in colour through which current enters is called as______ wire. The wire which is blue or black in colour through which current retums is called as_______ wire. The wire which is yellow or green in colour and used for safety purposes is called as________ wire. Various domestic appliances are connected in________ combination so that_______ across every appliance remains the same. In India, the voltage difference between the live and neutral wires is about _______.

Select the appropriate options and complete the following paragraph. (oxygen, hydrogen, reduction, oxidation, never, always, redox, decomposition)_______ is the process in which a su bstance gains _______or loses hydrogen.________ is the process in which a substance gains _______ or loses oxygen. The reaction in which one reactant gets oxidised and the other reactant gets reduced is called as oxidation-reduction reaction or reaction________ Oxidation and reduction reactions ________ occur simultaneously.

Select the appropriate options and complete the following paragraph. (spectrum, dispersion, grey, green, maximum, minimum, electromagnetic, refraction, optical, intense) Light is an ___ radiation. The process of separation of light into its component colours while passing through a medium is called as of light. The band of coloured components of a sunlight beam is called its ___ Various colours appearing in the spectrum are of the order as violet, indigo, blue, yellow, orange and red. Different colours have different wavelengths which are visible to our eyes i.e., between 400 nm and 700 nm. Red light has ____ wavelength whereas violet light has ____ wavelength.

What is the purpose of launching X-Ray telescope Chandra?

Select the appropriate options and complete the following paragraph : ( incidence, different, reflected, normal,incident, equal,not equal,same,opposite) The rays falling on a surface are called ………. Rays . The point on the surface at which an incident ray falls is called as point of ………. . The rays going away from the surface after reflection are called ............ rays . the direction of these rays is given by certain rules called as laws of reflection . according to laws of reflection , the angle of reflection is ............ to the angle of incidence . the incident ray , the reflected ray and the normal lie in the ........... plane . the incident ray and the reflected ray are on the ........... sides of the normal .

Select the appropriate options and complete the following paragraph : (heat,energy,decreasing, thermometer , increasing , potential, kinetic, atoms, thermal) Heat is a form of ………. Which flows from object at high temperature to the object at low temperature . Temperature of an object is measure of hotness and coldness of that object . it also is a measure of average .......... energy of atoms in the object . but the temperature cannot be measured accurately by just touching the object . hence , to measure temperature ........... is used . when a hot object is placed in contact with cold object , they exchange ............ . the average kinetic energy of atoms of cold objects goes on ........ . in this way , both the objects attain the same temperature when kept in contact .

Select the appropriate options and complete the following paragraph : (strong,seismic waves,bureau of indian standards, IS 456, IS 13920, IS 1893, IS4560 , Epicentre , mild) In earthquake , strong convulsions or waves at first reach the …….. , therefore major loss occur near this area . On the earth , …………. Earthquakes occur in larger numbers . destruction caused by earthquakes can be prevented by building earthquakes proof buildings . ........... provides the code of conduct for construction of tall buildings . buildings are constructed as per ............ which provides the codes of practice for general structural ise of plain and reinforced concrete. ductile detailing of reinforced concrete structures subjected to seismic forces is provided as per ........... . .............. provides criteria for earthquakeresistant design of structures .

Which types of telescopes are orbiting around the earth? why it is necessary to put them in space?