Quiz Hard 4 Categories Quizzes 3 Quiz Hard 4 1 / 30 Visible light is just a portion pf radiation emitted by atoms. Which of the following statement is not related with with visible light? it is a wave It travels with the speed of light Visible light is electromagnetic nature the range of visible light is 400-780 nm. The wave number of light is directly proportional to its wave length. 2 / 30 The nearest planet to the Earth is Venus Mercury Moon Mars 3 / 30 CAI stands for ……………. ? Cost Added Information Computer Aided Instruction Computer Aided Infrastructure Computer Aided information 4 / 30 They could save money if they bought __________ furniture? economic economics economical economize 5 / 30 During winter in cold countries, the __________ is mixed to melt the ice on the icy roads. Salt Carbon Dioxide Water Chlorine 6 / 30 Central Processing Unit is combination of ….. Control and Output Unit Arithmetic Logic and Control Unit Arithmetic Logic and Input Unit Control and Storage Unit 7 / 30 He did not give up __________? hopes hoping hope to hope 8 / 30 In an isochoric process Energy remains constant Temperature remains constant free energy remains constant Pressure remains constant Volume remains constant 9 / 30 which of the following represents the behaviour of Helmholtz free energy (A) under constant volume and temperature, for spontaneous , non nspontaneous or equilibrium situation? Spontaneous process 0 Equilibrium - Non spontaneous 0 Spontaneous process + Equilibrium + Non spontaneous - Spontaneous process + Equilibrium 0 Non spontaneous - Spontaneous process 0 Equilibrium + Non spontaneous 0 Spontaneous process - Equilibrium 0 Non spontaneous + 10 / 30 Deficiency of __________ causes loss of appetite and poor growth. iodine zinc iron copper 11 / 30 Neutrons were discovered by ? Rutherford F.W. Aston James Chadwick Einstein 12 / 30 The number of gram equivalents of the solute per dm3 of the solution is called Formality Normality Mole fraction Molality Molarity 13 / 30 Two isotonic nucicide X and Y have mass. numbers 35 and 37 respectively. If the atomic number of X is 17 the atomic number of Y will be 0.17 0.15 0.13 0.19 0.18 14 / 30 How are the following elements arranged in the Periodic table? H, He, Li, Be and B ? H, Li, He, Be and B H, He, Be, Li and B H, Be, He, B and Li H, He, Li, Be and B 15 / 30 What is an Isotope? Atoms of an element having same atomic number Atoms of an element having same mass number Atoms of an element having different atomic number Atoms of an element having different mass number 16 / 30 The rays emitted by the cathod in a gas discharge tube under low pressure and high voltage of electricity are called cathod rays. Which of the following properties are not related to cathod rays. These travel in a straight line Minerals fluoresce with a characteristic color when placed in a beam of cathode rays. The!se rays can carry energy. These are dependent of the material used for the electrode. These are deflected by magnetic and electric fields 17 / 30 Which of the following is the slowest in accessing data? magnetic disk floppy disk hard disk zip disk 18 / 30 If Ashraf __________ earlier, he would always be on time? had got up got up had get up get up 19 / 30 The law which relates the solubility of a gas to its pressure is called Nernst law ostwald's law Hennry's law Raoult's law 20 / 30 Sound waves from a loudspeaker are caused by ? vibrations frequency amplitude pitch 21 / 30 The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water. 10 grams 10 kg 1 gram 1 kg 22 / 30 The density of water is 1.5 g/cm3 none of these 2 g/cm3 1 g/cm3 23 / 30 For each value of l the number of m value are (l+1) (2l+1) 2l n2 (n+1) 24 / 30 Which from the following is NOT a conductor? Silicon Graphite All are conductors Aluminium 25 / 30 The fresh water on the Earth is ________ of the total water? 0.05 0.025 0.1 0.075 26 / 30 Molten rock below the surface of the Earth is called? Crystal Magma Lava Granite 27 / 30 The lifespan of White Blood Cells is __________ day(s). 3 1 4 2 28 / 30 Which of the following relations between wave number (v −) , frequency (v) and speed is correct. v − =v/c v − =c/ƛ v − =ƛ/c v − =ƛ.c v − =c/v 29 / 30 When an acid reacts with a metal carbonate, the products formed are _____________ ? Water and Carbon dioxide Salt and Water Salt and Carbon dioxide Salt, Water and Carbon dioxide 30 / 30 She __________ the driving test to get a license? should has passed has to pass have to pass should pass Your score is Share: Quiz Dad Previous post Quiz Hard 3 October 1, 2022 Next post Quiz Hard 5 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 3 1 October, 2022 Quiz Hard 2 1 October, 2022
