Report Issue

JEE Main 2019
10-01-2019 S1
Question
Two guns A and B can fire bullets at speeds 1 km/s and 2 km/s respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the ground is
Select the correct option:
A
1 : 4
B
1 : 8
C
1 : 2
D
1 : 16
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Physics
Medium
Start Preparing for JEE with Competishun
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advanced 20182018
Sunlight of intensity $1.3 \mathrm{kWm}^{-2}$ is incident normally on a thin convex lens of focal length 20 cm . Ignore...
JEE AdvancePhysicsEasy
View Solution
QJEE Advance 20152015
If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
The $\%$ yield of ammonia as a function of time in the reaction :
$$ \mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}),...
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
$\mathrm{Fe}^{3+}$ is reduced to $\mathrm{Fe}^{2+}$ by using
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are):
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
The correct statement(s) about $\mathrm{Cr}^{2+}$ and $\mathrm{Mn}^{3+}$ is (are) [Atomic numbers of $\mathrm{Cr}=24$ and $\mathrm{Mn}=25$ ]
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
The major product of the reaction is
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
The structure of D-(+)-glucose is
JEE AdvanceChemistryEasy
View Solution
QJEE Advance 20152015
In the following reaction, the major product is
JEE AdvanceChemistryEasy
View Solution
QJEE Advanced 20142014
Given that for each $\mathbf{a} \in(0,1)$
$ \lim _{h \rightarrow 0^{+}} \int_h^{1-h} t^{-a}(1-t)^{a-1} d t $
exists. Let...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advanced 20142014
Given that for each $\mathrm{a} \in(0,1)$
$ \lim _{h \rightarrow 0^{+}} \int_h^{1-h} t^{-a}(1-t)^{a-1} d t $
exists. Let...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advanced 20142014
Let $\mathrm{a}, \mathrm{r}, \mathrm{s}, \mathrm{t}$ be nonzero real numbers. Let $\mathrm{P}\left(\mathrm{at}^2, 2 \mathrm{at}\right), \mathrm{Q}, \mathrm{R}\left(\mathrm{ar}^2, 2 \mathrm{ar}\right)$ and (as $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advanced 20142014
Let $a, r, s, t$ be nonzero real numbers. Let $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 2015 2015
Let $\triangle P Q R$ be a triangle. Let $\vec{a}=\overrightarrow{Q R}, \vec{b}=\overrightarrow{R P}$ and $\vec{c}=\overrightarrow{P Q}$. If $|\vec{a}|=12,|\vec{b}|=4 \sqrt{3}$ and...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 2015 2015
Let $g: R \rightarrow R$ be a differentiable function with $g(0)=0, g^{\prime}(0)=0$ and $g^{\prime}(1) \neq 0$. Let $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advance 20152015
Which of the following values of $\alpha$ satisfy the equation $...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advanced 20142014
Box 1 contains three cards bearing numbers $1,2,3$; box 2 contains five cards bearing numbers $1,2,3$, 4,5 ; and box...
JEE AdvanceMathematicsEasy
View Solution
QJEE Advanced 20142014
Box 1 contains three cards bearing numbers $1,2,3$; box 2 contains five cards bearing numbers $1,2,3$, 4,5 ; and box...
JEE AdvanceMathematicsEasy
View Solution