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Seema Gopal

Asked: 3 years agoIn: General Awareness

पौधे मुर्खाकार मर जाते है जब :
A. प्रकाश की प्राप्ति आधी हो जाये
B. दारु अवरुद्ध हो जाए
C. कुछ मूल टूट जाए
D. फ्लोएम अवरुद्ध हो जाए

Seema Gopal

Asked: 3 years agoIn: General Awareness

यदि `S = {9,10,11}` तथा फलन `f : S to N` इस प्रकार परिभाषित है f (n) = n का महत्तम अभाज्य गुणनखंड , तो f का परिसर है
A. `{2,3}`
B. `{2,3,5}`
C. `{2,3,5,11}`
D. `{3,5,11}`

Seema Gopal

Asked: 3 years agoIn: General Awareness

Which one of the following statements regarding the oxides of alkali and alkaline earth metals is not correct ?
A. the reactivity of `K_(2)O` towards water is more than that of `Na_(2)O` towards water .
B. the oxides of alkaline earth metals are more basic than those of alkali metals .
C. MgO is used as a refractory material for lining electric furnaces .
D. the milk of lime and lime water are two different solutions .

Seema Gopal

Asked: 3 years agoIn: Class 10

Hiii everyone

Seema Gopal

Asked: 3 years agoIn: General Awareness

A tim,ber of mas m rests on two rollers, each of mass `m/2` and radius r and is pulled along a horizontal plane by a force P. Assuming there is no slipping and treating the rollers as right circular cylinders, find the acceleration of the timber.

Seema Gopal

Asked: 3 years agoIn: General Awareness

Calculate work done by `1` mole of ideal gas expand isothermally and irreversibly from pressure of `5` atm to `2` atm against a constant external pressure of `1` atm at `300 K` temperature.

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