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contact forces types of forces that result when the two interacting objects are apparent to be physically linking each otherex frictional forces
force push or pull upon an object resulting from the objects dealings with another objectwhenever there is an interaction among two objects there is
anode rays were discovered by1goldsteinbj stoney 3rutherford 4jj thomsonans
cathode rays are made up of1 positively charged particles2 negatively charged particles3 neutral particles4 none of theseans 2negatively charged
which is correct statement about proton1proton is nucleus of deuterium2proton is ionized hydrogen molecule 3proton is ionized hydrogen atom4proton
the nucleus of helium contains1four protons2four neutrons3two neutrons and two protons4four protons and two electronsans 3two neutrons and two
an elementary particle is1an element present in a compound 2an atom present in an element 3a sub-atomic particle4a fragment
penetration power of proton is1more than electron 2less than electron 3more than neutron4noneans2less than
heaviest particle is1meson2neutron 3proton4electronans
number of neutron in c12 is1627 3849ans
cathode rays are1protons2electrons 3neutrons4alfa -particlesans
the order of density in nucleus is1108kgcc210-8kg cc310-9kgcc41012kgccans
the discovery of neutron becomes very late because1neutrons are present in nucleus2neutrons are highly unstable particles3neutrons are
explain the blood urea nitrogen bunit is a test that measures the amount of urea nitrogen in the blood urea is formed in the liver as an end product
explain the renal function testsrenal function tests are the common tests and procedures used to evaluate renal function and for this the analysis of
unbalanced forces cause accelerationsin this case the unbalanced force is directed opposite the books motion and will cause it to slow down to verify
explain the porphyrins in the urineporphyrins a group of compounds containing the porphin structure four pyrrole rings connected by methine bridges
explain the hormones in the urineincreased or decreased production of a hormone in the body alters the amount of hormone or its degraded products
observing changes of position of the earth with respect to the sunmark a line on the floor or the wall where the sun shines in your room note the
define the electrolytes in urineelectrolytes estimation of urine chloride sodium potassium is of significant importance when the electrolyte balance
observing sun spotsuse the telescope that you made in a last experiment set it up so that it points directly at the sun and focus it so that a clear
define the levels of drugs in urinelevels of alcohol and barbiturates a group of drugs derived from barbituric acid that is used to sedate to control
the density of neutrons is of the order1103kg cc 2106kgcc 3109kgcc4 1011kgccans4
define creatinine in urinecreatinine it is an end-product of protein metabolism an anhydride of creatine found in the blood and urine that can be
define creatine in urinenormal urine contains little or no creatine some may be found during menstruation pregnancy and childhood urine creatine is