Chemistry-
General
Easy
Question
What is (B) in the following sequence of reactions?
The correct answer is:
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The major product obtained in the acid catalysed dehydration of 
would be 
is
The major product obtained in the acid catalysed dehydration of would be is
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Identify (b) in the following sequence of reactions.
Identify (b) in the following sequence of reactions.
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The appropriate reagent for the following transformation is
The appropriate reagent for the following transformation is
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Major product of the reaction, 
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Major product of the reaction, would be
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A hollow sphere of mass M and radius r is immersed in a tank of water (density 
). The sphere would float if it were set free. The sphere is tied to the bottom of the tank by two wires which makes angle 
with the horizontal as shown in the figure. The tension T1 in the wire is :
A hollow sphere of mass M and radius r is immersed in a tank of water (density ). The sphere would float if it were set free. The sphere is tied to the bottom of the tank by two wires which makes angle with the horizontal as shown in the figure. The tension T1 in the wire is :
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An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is :
An ideal monoatomic gas is carried around the cycle ABCDA as shown in the figure. The efficiency of the gas cycle is :
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The following graphs shows two isotherms for a fixed mass of an ideal gas. The ratio of r.m.s. speed of the molecules at temperatures T1 and T2 is
The following graphs shows two isotherms for a fixed mass of an ideal gas. The ratio of r.m.s. speed of the molecules at temperatures T1 and T2 is
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A hydrocarbon of formula 
absorbs only one molecule of H2 upon catalytic hydrogenation. Upon ozonolys is, the hydrocarbon yields.
The hydrocarbon is
A hydrocarbon of formula absorbs only one molecule of H2 upon catalytic hydrogenation. Upon ozonolys is, the hydrocarbon yields.
The hydrocarbon is
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A volume (V)-temperature (T) diagram was obtained when a given mass of gas was heated. During the heating process from state 1 to state 2, the pressure :
A volume (V)-temperature (T) diagram was obtained when a given mass of gas was heated. During the heating process from state 1 to state 2, the pressure :
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The distribution of relative intensity I(l) of blackbody radiation from a solid body versus the wavelength l is shown in the figure. If the Wien displacement law constant is 
m K, what is the approximate temperature of the object?
The distribution of relative intensity I(l) of blackbody radiation from a solid body versus the wavelength l is shown in the figure. If the Wien displacement law constant is m K, what is the approximate temperature of the object?
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Five rods of same material and same length are joined as shown. Cross-section of rods ab, ad and bc are A, 2A and 3A respectively. Ends a and c are maintained at temperatures 200°C and 0°C respectively.
If x has the value calculated in above question. Then temperature of junction b or d is:
Five rods of same material and same length are joined as shown. Cross-section of rods ab, ad and bc are A, 2A and 3A respectively. Ends a and c are maintained at temperatures 200°C and 0°C respectively.
If x has the value calculated in above question. Then temperature of junction b or d is:
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Five rods of same material and same length are joined as shown. Cross-section of rods ab, ad and bc are A, 2A and 3A respectively. Ends a and c are maintained at temperatures 
C and 
C respectively.
For what cross-section x of rod dc there will be no heat flow through rod bd.
Five rods of same material and same length are joined as shown. Cross-section of rods ab, ad and bc are A, 2A and 3A respectively. Ends a and c are maintained at temperatures C and C respectively.
For what cross-section x of rod dc there will be no heat flow through rod bd.
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In figure a, string 1 has a linear mass density of 3 g/m, and string 2 has a linear mass density of 4.5 g/m. They are under tension due to the hanging block of mass M = 500 g as shown in figure (a)
The block is now divided into two blocks (with M1 + M2 = M) and the apparatus is rearranged as shown in figure b. If the speeds of transverse waves in the two strings are equal the values of M1 and M2 will be respectively
In figure a, string 1 has a linear mass density of 3 g/m, and string 2 has a linear mass density of 4.5 g/m. They are under tension due to the hanging block of mass M = 500 g as shown in figure (a)
The block is now divided into two blocks (with M1 + M2 = M) and the apparatus is rearranged as shown in figure b. If the speeds of transverse waves in the two strings are equal the values of M1 and M2 will be respectively
physics-General
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In figure a, string 1 has a linear mass density of 3 g/m, and string 2 has a linear mass density of 4.5 g/m. They are under tension due to the hanging block of mass M = 500 g as shown in figure (a)
The ratio of speeds of transverse wave in the string 1 to that of string 2 is
In figure a, string 1 has a linear mass density of 3 g/m, and string 2 has a linear mass density of 4.5 g/m. They are under tension due to the hanging block of mass M = 500 g as shown in figure (a)
The ratio of speeds of transverse wave in the string 1 to that of string 2 is
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The product of following reaction is 
The product of following reaction is
chemistry-General
