The phrase "ask whether there is" is grammatically correct and can be used in written English.
Example: "Before making a decision, I always ask whether there is enough evidence to support it."
I ask whether there is anything of his own father in that portrait.
"And I'm beginning to ask whether there is a serious effort by Democrats to extend the payroll tax cut".
"They are beginning to ask whether there is a coherence to their international programs, and how to improve them.
But the report does not ask whether there is a fair level of inequality we should find tolerable.
It is not inappropriate to ask whether there is anything left of the "public" for the people.
But let's pause from the hyperventilation of the past week and ask whether there is an underlying logic.
It certainly does, but we must ask whether there is another way to achieve the same goal without the use of force.
So it may be reasonable to ask whether there is something more substantive Congress can do to deal with its budget problems.
On the topic of future projects, it seemed our duty to ask whether there is even a chance of Bridget Jones's Diary 3 becoming a reality.
Skeptics may ask whether there is anything newsworthy about an ovation in Symphony Hall, where the audience rises to its feet a little too routinely.
One would have to ask whether there is justification for them in terms of the security situation and the attacks on Venezuela.
