CSIR-NET 2015 JUNE
CSIR NET – JUNE 2015 51) A 20cm Cube of a rock measures a resistance of 200ohm. The resistivity of the rock is 1) 4000 Ω m 2) 1000 Ω m 3) 800 Ω m …
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Showing posts with the label CSIR-NET 2015
CSIR-NET 2016 DEC (90)
CSIR-NET 90. The total observed runoff volume during a storm of 5-hr duration with a uniform intensity of 16 mm/hr is 20 *10^6 m3 . If the area of the basin is 400 km^2 , then the infiltrati…
Mid-Atlantic Ridge spreading
Q) The oceanic depth at a distance of 1000 km from the pacific Ridge is 3500 m. calculate t he age of the crust at this location and t he mean spreading rate represented by this age is? (Thanks to…
CSIR-NET 2015 (June) 87
CSIR-NET 2015 87. Two rock units A and B of identical physical and chemical properties are inductively magnetized in the Earth's magnetic field at the magnetic latitudes 30 ° and 60 ° r…
CSIR-NET 2015 (June)- (88)
CSIR-NET 2015 88. Consider the two time sequences with the elements a=1, 2, 3, 1, 2 b=1, 3, 5, 7 What are the first two elements of their convolution? A) 5 , 1 …
CSIR-NET 2015(June)-(79)
CSIR-NET 2015 79. If the average density of rocks in the crust is 2750 kg/m^3 and the value of 'g' (acceleration due to gravity) is 10 m/s^2, then what is the value of litho-static str…
CSIR-NET 2015 (June)-113
CSIR-NET 2015 113. The following table shows the values of resistance R measured in a Wenner sounding for different electrode spacing, a at a location covered by clay. a(m) = …
CSIR-NET 2015 (65)
CSIR-NET 2015 65. Consider two planets A and B with radii 2r and r, respectively. Let their distances form the Sun be d and 2d , respectively. The solar constants for A (Fsa) and B (Fsb) are re…
CSIR NET-2015 DEC 90
CSIR-NET 2015 90. In a refraction survey, the velocities inferred for the upper and the lower layers are 3000m/s and 5000m/s respectively. If the cross over distance is 4000m, the depth of …
CSIR-NET 2015 (95)
CSIR - NET 2015 95. A 120 million year old rock situated close to the equator shows a remnant magnetic dip of tan -1 (-2/√3) . The approximate drift rate of the land mass is A) 1.25 cm/…
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